What is the meaning of Sleeve?

The part of a garment that covers the arm.

A (usually tubular) covering or lining to protect a piece of machinery etc.

A protective jacket or case, especially for a record, containing art and information about the contents; also the analogous leaflet found in a packaged CD.

A tattoo covering the whole arm.

A narrow channel of water.

Sleave; untwisted thread.

A serving of beer smaller than a pint, typically measuring between 12 and 16 ounces.

A long, cylindrical plastic bag of cookies or crackers, or a similar package of disposable drinking cups.

A double tube of copper 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.

To fit and attach a sleeve to an upper garment (e.g. to a shirt, blouse, sweater, jacket, coat, etc.) or to a folder.

To hide something up one's sleeve.

Source: wiktionary.org