sleeve: Meaning and Definition of

sleeve

1. the part of a garment that covers the arm, varying in form and length but commonly tubular.
2. an envelope, usually of paper, for protecting a phonograph record.
3. a tubular piece, as of metal, fitting over a rod or the like.
4. to be secretly amused or contemptuous; laugh inwardly: to laugh up one's sleeve at someone's affectations.
5. to have a secret plan, scheme, opinion, or the like: I could tell by her sly look that she had something up her sleeve.

1. to furnish with sleeves.
2. to fit with a sleeve; join or fasten by means of a sleeve.