Meaning of SPANNER in English

SPANNER

noun one who, or that which, spans.

2. spanner ·noun the lock of a fusee or carbine; also, the fusee or carbine itself.

3. spanner ·noun a contrivance in some of the ealier steam engines for moving the valves for the alternate admission and shutting off of the steam.

4. spanner ·noun an iron instrument having a jaw to fit a nut or the head of a bolt, and used as a lever to turn it with; a wrench; specifically, a wrench for unscrewing or tightening the couplings of hose.

Webster English vocab.      Английский словарь Webster.