/ Dictionary / Index W wocas: Meaning and Definition of Find definitions for: wo•cas Pronunciation: (wō'kus), [key] — n. a yellow pond lily, Nuphar polysepalum, of northwestern North America, having heart-shaped leaves and cup-shaped flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. w.o.c. Wodehouse Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language