/ Dictionary / Index P penlight: Meaning and Definition of Find definitions for: pen•light Pronunciation: (pen'līt"), [key] — n. a flashlight similar in size and shape to a fountain pen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: penlight (Thesaurus) penknife penman Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language