/ Dictionary / Index C corn borer: Meaning and Definition of Find definitions for: corn' bor"er Pronunciation: [key] any of several pyralid moths, as Pyrausta (ostrinia) nubilalisthe larvae of which bore into the stem and crown of corn and other plants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Corn Belt corn bread Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language