/ Dictionary / Index S seeker: Meaning and Definition of Find definitions for: seek•er Pronunciation: (sē'kur), [key] — n. a person or thing that seeks. a device in a missile that locates a target by sensing some characteristic of the target, as heat emission. a missile equipped with such a device. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seeker (Thesaurus) seek Seekonk Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language