noun, verb, sleeved, sleev⋅ing.| 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. | Machinery. a tubular piece, as of metal, fitting over a rod or the like. |
| 4. | to furnish with sleeves. |
| 5. | Machinery. to fit with a sleeve; join or fasten by means of a sleeve. |
| 6. | have something up one's sleeve, to have a secret plan, scheme, opinion, or the like: I could tell by her sly look that she had something up her sleeve. |
| 7. | laugh up or in one's sleeve, to be secretly amused or contemptuous; laugh inwardly: to laugh up one's sleeve at someone's affectations. |
