/ Dictionary / Index P pronotum: Meaning and Definition of Find definitions for: pro•no•tum Pronunciation: (prō-nō'tum), [key] — pl. -ta the dorsal sclerite of the prothorax of an insect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pronominalize pronoun 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