Bunk

When scientists go about disproving crackpot theories, they are said to be debunking those theories.

Also a type of bed, in which more than one bed is placed upon another, typically called a bunk-bed. The are often seen in children's bedrooms.

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.

© Webster 1913.

Bunk, v. i. [imp. & p. p. Bunked (#); p. pr. & vb. n. Bunking.]

To go to bed in a bunk; -- sometimes with in.

Bartlett.

© Webster 1913.