The definition of a sleeve is the part of a shirt or other garment that covers your arm, or a protective covering that fits over something, such as a record.(noun)
See sleeve in Webster's New World College Dictionary
Origin: ME sleve < OE sliefe, akin to Du sloof, apron: for IE base see slip
See sleeve in American Heritage Dictionary 4
Origin: Middle English sleve
Origin: , from Old English slēf; see sleubh- in Indo-European roots.
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