/ Dictionary / Index P primary type: Meaning and Definition of Find definitions for: pri'mary type" Pronunciation: [key] — Biol. Biol. a specimen used in the original description or illustration of a species. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. primary tissue primary wave Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language