Bunk (�), n. [Cf. OSw. bunke heap, also boaring, flooring. Cf. Bunch.] 1. A wooden case or box, which serves for a seat in the daytime and for a bed at night.
2. One of a series of berths or bed places in tiers.
3. A piece of wood placed on a lumberman's sled to sustain the end of heavy timbers.