(informal, euphemistic) Initialism of body odor.

(entertainment) Initialism of box office.

(business, computing) Initialism of Business Objects. (a French enterprise software company specializing in business intelligence)

plural of boing

(law) Abbreviation of Boston.

(sports) Abbreviation of Boston. / (Wicca) Book of Shadows

The peepul tree, Ficus religiosa, regarded as sacred by Hindus and Buddhists.

plural of bo tree

The act of looking out suddenly, as from behind a screen, so as to startle someone (as by children in play), or of looking out and drawing suddenly back, as if frightened.

(intransitive) To play the game of bo-peep; to peek out suddenly.