- eat ► VERB (past ate; past part. eaten) 1) put (food) into the mouth and chew and swallow it. 2) (eat out or in) have a meal in a restaurant (or at home). 3) (eat something away or eat away at/into) gradually erode or destroy something. 4) (eat up) use (resources) in very large quantities.► NOUN (eats) informal ▪ light food or snacks.● eat one's heart out — Cf. ↑eat one's heart out● eat one's words — Cf. ↑eat one's words● I'll eat my hat — Cf. ↑I'll eat my hat● what's eating you (or him etc.) ? — Cf. ↑what's eating you/him etc. ?DERIVATIVES eater noun.ORIGIN Old English.
English terms dictionary. 2015.