/ Dictionary / Index P proximo: Meaning and Definition of Find definitions for: prox•i•mo Pronunciation: (prok'su-mō"), [key] — adv. in, of, or during the next month:Cf.(def. 11), on the 10th proximo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: proximo (Thesaurus) proximity fuze proxy Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language