n. 25B6; verb
they nibbled at mangoes : TAKE SMALL BITES (FROM), pick, gnaw, peck, snack on; toy with; taste, sample; informal graze (on).
the mouse nibbled his finger : PECK, nip, bite.
25B6; noun
the fish enjoyed a nibble on the lettuce : BITE, gnaw, chew; taste.
nuts and nibbles : MORSEL, mouthful, bite; snack, titbit, canapé, hors d'oeuvre, bonne bouche.