(UK dialectal, Black Country, Bristol, West Country, Northern England) Originally used to form the second person singular of be, but can denote other present tense forms, such as: are, am, is

(UK dialect, West Country and West Midlands, informal) How are you? (greeting)

A small restaurant. / A small bar or pub.

(rare) to eat at a bistro

binary star

A narrow-bladed surgical knife.

Alternative spelling of bistre

A brown pigment made from soot, especially from beech wood. / A mid-to-dark brown color resembling the pigment.

plural of bistoury

(organic chemistry) Any of many compounds containing two linked tetrazole rings.