The act of biting. / The wound left behind after having been bitten. / The swelling of one's skin caused by an insect's mouthparts or sting.

Having an acrid taste (usually from a basic substance). / Harsh, piercing or stinging. / Hateful or hostile. / Cynical and resentful.

(usually in the plural bitters) A liquid or powder, made from bitter herbs, used in mixed drinks or as a tonic. / A type of beer heavily flavored with hops.

To make bitter.

(computing, informal, in combination) A hardware system whose architecture is based around units of the specified number of bits (binary digits).

(dated or specialised, dog-breeding) A female dog or other canine, particularly a recent mother. / (archaic, offensive) A promiscuous woman, slut, whore.

(vulgar, intransitive) To behave or act as a bitch. / (vulgar, intransitive) To criticize spitefully, often for the sake of complaining rather than in order to have the problem corrected.

(US, slang, vulgar) To make a rapid and illegal U-turn.

A female bulldog.

Several bird species in the Botaurinae subfamily of the heron family Ardeidae.