/ Dictionary / Index P plecopteran: Meaning and Definition of Find definitions for: ple•cop•ter•an Pronunciation: (pli-kop'tur-un), [key] — adj. belonging or pertaining to the insect order Plecoptera, comprising the stoneflies. —n. a plecopteran insect; stonefly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: plecopteran (Thesaurus) plebs plectognath Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language