/ Dictionary / Index P poison hemlock: Meaning and Definition of Find definitions for: poi'son hem'lock Pronunciation: [key] hemlock (defs. 1, 3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. poison haw poisoning 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