/ Dictionary / Index P precava: Meaning and Definition of Find definitions for: pre•ca•va Pronunciation: (prē-kā'vu, -kä'-), [key] — pl. -ca•vae See under (in squids) either of a pair of veins that pass through the kidney to the branchial heart. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: precava (Thesaurus) precautious precede Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language