Verb (used without object) : He beetled off to catch the train.    From Dictionary.com. 

Adjective : beetle brows.    From Dictionary.com. 

Verb (used without object) : a cliff that beetles over the sea. ,The prospect of bankruptcy beetled over him.    From Dictionary.com. 

I don't know what the word beetling means, but if it means anything bad, I will certainly apply it to that pali.    From Wordnik.com.  [The Hawaiian Archipelago] Reference

I don’t know what the word beetling means, but if it means anything bad, I will certainly apply it to that pali.    From Wordnik.com.  [The Hawaiian Archipelago] Reference

From under beetling brows, Magnus looked at Michael.    From Wordnik.com.  [The Ideal Bride]

Where the beetling old cliffs their cool shadows fling!.    From Wordnik.com.  [The Old Hanging Fork and Other Poems] Reference

All across and before the three rude and beetling archways hung.    From Wordnik.com.  [Lorna Doone] Reference

"Zabar —" Mesilim said, a frown beetling his already low brows.    From Wordnik.com.  [Lord of the Isles] Reference

And how shall bark so frail as mine that beetling beach come near.    From Wordnik.com.  [The Modern Scottish Minstrel, Volume V. The Songs of Scotland of the Past Half Century] Reference

He hastened to the margin of the beetling crag, and peering over it, saw.    From Wordnik.com.  [The Lost Hunter A Tale of Early Times] Reference

Willie was a thick-set man with beetling brows in a red weatherbeaten face.    From Wordnik.com.  [Death of a Scriptwriter]

"But who will run the motor car?" asked the doctor, beetling his shaggy eyebrows.    From Wordnik.com.  [The Motor Maids at Sunrise Camp] Reference

Beautiful River, the Ohio. beck (bek), call. beetling (be'tling), projecting, jutting out.    From Wordnik.com.  [Elson Grammar School Literature v4] Reference

It was a square-faced man with beetling brows and a chin like the biting end of a steam shovel.    From Wordnik.com.  [Get Out of Our Skies!] Reference

He glanced up at the beetling rock, then trained his needler on the augur standing to the halyard.    From Wordnik.com.  [Calde of the Long Sun]

As he advanced, he cast sidelong, suspicious, and sinister glances from beneath bushy, beetling eyebrows.    From Wordnik.com.  [The Continental Monthly , Vol. 2 No. 5, November 1862 Devoted to Literature and National Policy] Reference

There was the castle, truly, beetling against the breakers, very cold, very arrogant upon its barren promontory.    From Wordnik.com.  [Doom Castle] Reference

And then the earth smiles again, the beetling cliffs recede into distances, and we glide through a pleasant valley.    From Wordnik.com.  [Choice Specimens of American Literature, and Literary Reader Being Selections from the Chief American Writers] Reference

They took Hollywood many decades ago, beetling their way into the limelight with their bulging eyes and cuban heels.    From Wordnik.com.  [The little shall inherit the earth] Reference

A narrow, wild, and natural path, sometimes creeps under the beetling rock, close by the margin of a mountain stream.    From Wordnik.com.  [On the Portraits of English Authors on Gardening, with Biographical Notices of Them, 2nd edition, with considerable additions] Reference

The black eyes were glowing with new hope beneath the beetling white brows, as he lifted his gaze to the mountain peaks.    From Wordnik.com.  [Heart of the Blue Ridge] Reference

He gave orders, and immediately a gibbet was reared on the verge of the great beetling bastion that overlooked the Plaza.    From Wordnik.com.  [The Alhambra] Reference

At this point the beetling line of rocks which coiled and frowned along the coast terminated abruptly in precipitous crags.    From Wordnik.com.  [Lippincott's Magazine, Vol. 22, August, 1878] Reference

The old Squire, with bushy brows beetling over his eyes, sat in grief too deep for words, a prey to the darkest forebodings.    From Wordnik.com.  [Plantation Sketches] Reference

Overhead loomed the beetling walls of the palace from which the prince had led his people in revolt -- manned now by the Jivros.    From Wordnik.com.  [Valley of the Croen] Reference

Rising to the north of the Clove is the South Mountain, from whose beetling crags are obtained some of the finest views offered by the.    From Wordnik.com.  [The Continental Monthly, Vol. 5, No. 3, March, 1864 Devoted to Literature and National Policy] Reference

There is no majesty of beetling crags, no girdle of turbulent sea, but the dignity of its size, its age, its story, is all-satisfying.    From Wordnik.com.  [Lippincott's Magazine of Popular Literature and Science, Vol. 12, No. 32, November, 1873] Reference

It was a beetling crag, round which winded a very narrow and broken footpath, commanded in various places by the position which they held.    From Wordnik.com.  [A Legend of Montrose] Reference

The roaring ocean and the beetling crags owe something of their sublimity to this — that if they be tempted, they can take the warm life of.    From Wordnik.com.  [Eothen] Reference

Rising immediately above the tiny vessel was the beetling wall of Hope Sanderson, with its summit eight hundred and fifty feet above sea-level.    From Wordnik.com.  [A Book of Discovery The History of the World's Exploration, From the Earliest Times to the Finding of the South Pole] Reference

Beyond, a wild and rocky valley ran inland, and the time-worn ruins of ---- Castle, beetling over the heights, terminated the view in this direction.    From Wordnik.com.  [The Mirror of Literature, Amusement, and Instruction Volume 13, No. 375, June 13, 1829] Reference

He led her over to a buttoned leather couch and urged her into it, standing over her, rocking on his heels, brows beetling over his black-button eyes.    From Wordnik.com.  [Mistress for a Weekend]

The fourth was a massive structure of rose granite, beetling above us, a monstrous shape in the dimness, throwing a shadow half across the paved space.    From Wordnik.com.  [Valley of the Croen] Reference

A pair of hawk's eyes gleamed from under bushy beetling brows; wide loose lips and a truculent, pugnacious lower jaw completed the picture of a ruffian.    From Wordnik.com.  [Madame Flirt A Romance of 'The Beggar's Opera'] Reference

Yes, he's been gone for some time, but who could forget that beetling, muppet-headed creep and his exhortations to watch what we say, and what we think?.    From Wordnik.com.  [Time to Say Goodbye] Reference

Sometimes they are stuck to the rocks like swallows 'nests, and sometimes they are placed on beetling cliffs like the home of the eagle above the chasm.    From Wordnik.com.  [The Contemporary Review, January 1883 Vol 43, No. 1] Reference

"Oho! is that the game?" said Governor Manco; he gave orders, and immediately a gibbet was reared on the verge of the great beetling bastion that overlooked the Plaza.    From Wordnik.com.  [Journeys Through Bookland, Vol. 7] Reference

This, freezing as it fell, encrusted the rough sides of the beetling crags with icy layers, covering them all over with plates like silver, and hanging them with stalactites.    From Wordnik.com.  [The Lost Hunter A Tale of Early Times] Reference