/ Dictionary / Index L lesser cornstalk borer: Meaning and Definition of Find definitions for: less'er corn'stalk bor"er Pronunciation: [key] the larva of a widely distributed pyralid moth, Elasmopalpus lignosellus, that damages corn and some other crops by boring into the part of the stalk close to the soil. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lesser celandine Lesser Dionysia Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language