/ Dictionary / Index P pondweed: Meaning and Definition of Find definitions for: pond•weed Pronunciation: (pond'wēd"), [key] — n. any aquatic plant of the genus Potamogeton, most species of which grow in ponds and quiet streams. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pondweed (Thesaurus) pond scum pone Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language