/ Dictionary / Index E erlking: Meaning and Definition of Find definitions for: erl•king Pronunciation: (ûrl'king"), [key] — n. a spirit or personified natural power that works mischief, esp. to children. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Erlenmeyer flask Erma Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language