A sleeve that is extremely wide over the upper arm and narrow from the elbow to the wrist.

(UK, Canada, idiomatic) Alternative form of laugh in one's sleeve.

(US, Canada, idiomatic) to laugh in secret or to oneself, usually gloatingly

Alternative spelling of sleepy dust

(informal) Rheum crusted around the eyes from sleep.

(simile) Synonym of sleep like a log

A rocket-propelled vehicle constrained to run on a rail, used for experimental purposes.

An instance of sleeping in, sleeping late, sleeping until one feels fully refreshed rather than rising at a prespecified time.

An amnesic condition characterized by insensibility to pain without loss of consciousness, induced by an injection of morphine and scopolamine, especially to relieve the pain of childbirth.

(now historical) A loose sleeve that hangs down from the arm, formerly worn particularly by children.