(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”)

(transitive) To affix with tabs; to label.

(computing) To use the Tab key on a computer to advance the cursor or move the input focus, or on a typewriter to advance the carriage.

A small flap or strip of material attached to something, for holding, manipulation, identification, opening etc. / (slang) An ear.

A form of musical notation indicating fingering rather than the pitch of notes, commonly used for stringed instruments.

(colloquial) A tabloid newspaper.

(informal, chiefly Canada, US) A restaurant bill. / (informal, chiefly Canada, US) Credit account, e.g., in a shop or bar; slate / (by extension) The cost or bill for anything.

(Oxbridge slang) A student of Cambridge University.

(Tyneside and Mackem) A cigarette.