Definition of sleeve

• n. - See Sleave, untwisted thread.
• n. - The part of a garment which covers the arm; as, the sleeve of a coat or a gown.
• n. - A narrow channel of water.
• n. - A tubular part made to cover, sustain, or steady another part, or to form a connection between two parts.
• n. - A long bushing or thimble, as in the nave of a wheel.
• n. - A short piece of pipe used for covering a joint, or forming a joint between the ends of two other pipes.
• v. t. - To furnish with sleeves; to put sleeves into; as, to sleeve a coat.