~ 1
■ noun ( plural loaves ) a quantity of bread that is shaped and baked in one piece.
Phrases
use one's ~ Brit. informal use one's common sense. [prob. from ~ of bread , rhyming sl. for 'head'.]
Origin
OE hlāf , of Gmc origin.
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~ 2
■ verb idle one's time away in aimless loitering.
Origin
C19: prob. a back-form. from ~er .