Bunk

a built-in platform bed, as on a ship.
Informal. any bed.
a cabin used for sleeping quarters, as in a summer camp; bunkhouse.
a trough for feeding cattle.
Informal. to occupy a bunk or any sleeping quarters:
Joe and Bill bunked together at camp.
to provide with a place to sleep.
humbug; nonsense.
to bump.
to absent oneself from:
to bunk a history class.
to run off or away; flee.
do a bunk, to leave hastily, especially under suspicious circumstances; run away.
Contemporary Examples

13-Year-Old Cristian Fernandez Will Face Life Without Parole for Killing Brother, Court Rules Eliza Shapiro November 20, 2012
First Day Out of Prison John Forté January 25, 2009
How I’ll End the War: The Trip Over to Afghanistan Nick Willard April 22, 2014
First Day Out of Prison John Forté January 25, 2009
Why Bloomberg Won’t Run Eric Alterman December 10, 2010

Historical Examples

A Man to His Mate J. Allan Dunn
The Cruise of the Dry Dock T. S. Stribling
The Voice in the Fog Harold MacGrath
The Cruise of the Dry Dock T. S. Stribling
The Woman in the Alcove Anna Katharine Green

noun
a narrow shelflike bed fixed along a wall
short for bunk bed
(informal) any place where one sleeps
verb
(intransitive) often foll by down. to prepare to sleep: he bunked down on the floor
(intransitive) to occupy a bunk or bed
(transitive) to provide with a bunk or bed
noun
(informal) short for bunkum (sense 1)
noun
a hurried departure, usually under suspicious circumstances (esp in the phrase do a bunk)
verb
(usually foll by off) to play truant from (school, work, etc)
n.

MR. WALKER, of North Carolina, rose then to address the Committee on the question [of Missouri statehood]; but the question was called for so clamorously and so perseveringly that Mr. W. could proceed no farther than to move that the committee rise. [Annals of Congress, House of Representatives, 16th Congress, 1st Session, p. 1539]

v.