(Tyneside and Mackem) A cigarette.

(informal, theater) A tableau curtain.

(informal) A tablet, especially one containing illicit drugs.

Third-person singular simple present indicative form of tab

plural of tab

(computing) A key on a computer keyboard that typically inserts a tab or moves the input focus.

Alternative letter-case form of tab (“student at Cambridge”)

plural of Tab

(aviation, nautical) A control surface set within or attached to a larger control surface that provides trim to obtain a desired attitude without constant inputs to the primary control surfaces (e.g., ailerons and rudders).

(idiomatic) To monitor; to keep track of; to watch.