bunk1
n.
a narrow shelf-like bed.
v.
chiefly N. Amer. sleep in a bunk or improvised bed in shared quarters.
Etymology
C18: of unknown origin; perh. rel. to bunker.
bunk2
v.
(
bunk off)
Brit. informal abscond from school or work.
Phrase
- do a bunk
make a hurried departure.
Etymology
C19: of unknown origin.
bunk3
n.
informal, dated nonsense.
Etymology
early 20th cent.: abbrev. of bunkum.