<p><strong>Noun</strong></p><ul><li>The part of a garment that covers the arm, varying in form and length but commonly tubular.</li><li>A protective container, usually thin and flexible with an opening on one side for insertion or removal of an item, as a paper storage envelope for a phonograph record, or a padded case for a tablet or other electronic device: a 24-sleeve CD wallet.</li><li>A form-fitting laptop sleeve; a 24-sleeve CD wallet.</li><li>A pliable tubular or rectangular container for crackers, cookies, and the like that is typically opened at one end to remove individual servings: The largest box has four sleeves of saltines inside.</li><li>Machinery. A tubular piece, as of metal, fitting over a rod or the like.</li><li>A pattern of tattoos that covers the arm from shoulder to wrist in one integrated piece of tattoo art: I got my first tattoo when I turned 18, and by 28 I had full sleeves on both arms.</li></ul><p><strong>Verb</strong></p><ul><li>(Used with object) Sleeved, sleev·ing. To furnish with sleeves.</li><li>Machinery. To fit with a sleeve; join or fasten by means of a sleeve.</li></ul>