sleeve

noun

1. The part of a garment that covers the arm.

   “The sleeves on my coat are too long.”

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

   “This bearing requires a sleeve so the shaft will fit snugly.”

3. 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.
4. A tattoo covering the whole arm.
5. A narrow channel of water.

   “Even from Southhampton ' s shore through Wilts and Somerset The Attrebates in Bark unto the bank of Tames Betwixt the Celtic sleeve and the Sabrinian streams”

6. Sleave; untwisted thread.
7. (British-Columbia)A serving of beer smaller than a pint, typically measuring between 12 and 16 ounces.

   “For example, you may serve a patron a 12 oz sleeve of beer and a 5 oz glass of wine (or alternately 1.5 oz spirits) at the same time.”

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

   “A three-alarm fire tore through a family home on Newark's East Side early Saturday morning, completely gutting the two-story residence and tragically claiming a half-sleeve of Oreo cookies that was trapped inside a cupboard.”

9. 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.

verb

1. (transitive)To fit and attach a sleeve to an upper garment (e.g. to a shirt, blouse, sweater, jacket, coat, etc.) or to a folder.
2. To hide something up one's sleeve.

   “There are certain types of sleeving that are difficult to perform with the shirt sleeves down, and it is difficult and risky to attempt sleeving while wearing a shirt with "French" cuffs.”