He had laid aside his tridental spear, having first, however, placed a pistol within his breast to be ready for instant service, should occasion demand it, as he could now put little reliance upon the ferryman's fidelity.    From Wordnik.com.  [Rookwood] Reference

Son of Amphytrion with tridental shaft.    From Wordnik.com.  [The Iliad of Homer Translated into English Blank Verse by William Cowper] Reference

Neptune with his tridental mace, himself.    From Wordnik.com.  [The Iliad of Homer Translated into English Blank Verse by William Cowper] Reference