/ Dictionary / Index P pocul.: Meaning and Definition of Find definitions for: pocul. Pronunciation: [key] (in prescriptions) a cup. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pocosin poculiform Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language