~ 1
■ noun a narrow shelf-like bed.
■ verb chiefly N. Amer. sleep in a ~ or improvised bed in shared quarters.
Origin
C18: of unknown origin; perh. related to ~er .
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~ 2
■ verb ( ~ off ) Brit. informal abscond from school or work.
Phrases
do a ~ make a hurried departure.
Origin
C19: of unknown origin.
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~ 3
■ noun informal, dated nonsense.
Origin
early 20th cent.: abbrev. of ~um .