(idiomatic) A challenge with the odds of success stacked strongly against.

Alternative spelling of bloodbath

A building with baths for communal use. / A building where swimmers can change clothes.

The region or line along which opposing armies engage in combat. / The area in which opponents or opposing ideas meet.

A game played with a shuttlecock and rackets (properly battledore and shuttlecock); a forerunner of badminton. / The racket used in this game. / (obsolete) A child's hornbook for learning the alphabet.

Alternative spelling of bath mat

A small mat used next to a bathtub to absorb water and thus prevent slipping.

Alternative form of birdbath

(physics) A form of electrochemical storage cell in which electrolyte flows between connected tanks; the direction of flow being opposite when the cell is charging and discharging; used to store electricity from intermittent suppliers such as wind farms.

(archaic) A battery; a voltaic cell.