The quality of having a bitter taste. / The quality of feeling bitter; acrimony, resentment; the quality of exhibiting such feelings. / The quality of eliciting a bitter, humiliating or harsh feeling.

(dentistry) A holder for X-ray film, in which the film is held in place by a small tab on which the patient bites.

(journalism, television) An extract from a speech or interview used as edited into a news or other broadcast; an interview clip, especially seen as particularly expressive or pithy.

(colloquial, often childish or humorous) Very small; minuscule.

(computing, derogatory, informal) A computer of limited memory and computing power.

Both bitter and sweet. / Expressing contrasting emotions of pain and pleasure. / Of bittersweet color.

Solanum dulcamara. / Bittersweetness. / (US) A vine, of the genus Celastrus, having small orange fruit that open to reveal red seeds. / A variety of apple with a bittersweet taste.

(colloquial) Spiteful or malevolent; catty; malicious; unpleasant. / (colloquial) Irritable.

present participle of bite

An instance of something being bitten. / (Kenya) A bite-sized snack.