(military) A battle which opposing forces anticipate and commit to fighting; a sustained, intense fight. / (idiomatic, by extension) An intense, rancorous argument or confrontation.

A waterproof book for children that can be read in the bath.

plural of bath book

(baseball) A batter who is hit by a pitched ball, and is awarded first base as a result.

Damaged during battle.

(roofing) vertical wood strips installed on sloped roofs over which horizontal battens are secured. The primary roof covering is attached or secured to these horizontal battens.

plural of batch file

(computing, especially MS-DOS) A file containing a series of instructions to be carried out by the operating system.

an operational naval task force consisting of a variety of surface combatants designed to operate as a coordinated unit; subdivided into battle groups

In telegraphy, the source of power that actuates the telegraphic station recording instruments, as distinguished from the source of power that furnishes current to the line.