Noun : the arm of a coat. ,A special arm of the government will investigate. ,an arm of the sea. ,the long arm of the law.    From Dictionary.com. 

“Easy,” Blue added, waving two of her icky armlike things.    From Wordnik.com.  [Here There Be Monsters] Reference

I got the box of checkers and unfolded the board on the armlike table that swung across the bed.    From Wordnik.com.  [Blood Test] Reference

He knew they were being carried steadily and slowly seaward, but he had hopes that the ice field would swerve landward toward the south where an armlike glacier jutted, elbow-fashion, into the sea and caught the current.    From Wordnik.com.  [The Eternal Maiden] Reference

The Consu unfolded its slashing arms — specialized at some point in their evolution to deal with some unimaginably horrifying creature on their homeworld, most likely — and underneath, its more recognizably armlike forelimbs raised to the sky.    From Wordnik.com.  [Old Mans War] Reference

Great armlike bays, expanding at their upper ends, often branch from the main valleys and penetrate the sandstone platform; on the other hand, the platform often sends promontories into the valleys, and even leaves in them great, almost insulated, masses.    From Wordnik.com.  [Journal of researches into the geology and natural history of the various countries visited by H.M.S. Beagle] Reference

Bothriolepsis, which featured armlike spines near the front of its body.    From Wordnik.com.  [Denver Post: News: Breaking: Local] Reference

Brazo gitano means "Gypsy's arm," and is named for its long, thick, armlike shape.    From Wordnik.com.  [Latest News] Reference

Milky Way, which have stars arrayed in flat, rotating disks and armlike projections where new stars are developing.    From Wordnik.com.  [latimes.com - News] Reference

It then puts forth, from each side, an armlike branch, which grows rapidly, and looks as though a stream of sap were flowing and hardening as it went.    From Wordnik.com.  [The Crime Against Europe A Possible Outcome of the War of 1914] Reference

These soft-bodied animals, with bivalve shells and two interior armlike processes which served for breathing, appeared in the Algonkian, and had now become very abundant.    From Wordnik.com.  [The Elements of Geology] Reference

Fish with huge, goggling eyes; fish plentifully equipped with long, armlike tentacles; fish poised before control panels or darting about intent upon their various duties.    From Wordnik.com.  [Triplanetary] Reference

Holding it by the handler's magnetic crane, he fixed it firmly in the armlike jaws on the front of the machine, then moved the machine into a position straddling the sphere of force.    From Wordnik.com.  [Empire] Reference

A third sculpture, so small as to escape immediate notice, seems to be in the shape of some vital organ, a kidney or a heart, but is painted with gold leaf and bristles with small, arterial armlike branches.    From Wordnik.com.  [NYT > Home Page] Reference

 on the armlike table that swung across the bed.    From Wordnik.com.  [Blood Test]