small case into which an object fits(noun.artifact)
source: wordnet30
See Sleave, untwisted thread.(noun)
source: webster1913
The part of a garment which covers the arm; as, the sleeve of a coat or a gown.(noun)
source: webster1913
A double tube of copper, in section like the figure 8, into which the ends of bare wires are pushed so that when the tube is twisted an electrical connection is made. The joint thus made is called a McIntire joint.(noun)
source: webster1913
verb (v)
To furnish with sleeves; to put sleeves into; as, to sleeve a coat.(verb)