(pharmacy, obsolete) A pill, a tablet.

(paleontology) Describing a member of an extinct order of corals, the Tabulata: having tabulae (well-developed horizontal internal partitions within each cell).

(paleontology) A member of the order Tabulata.

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

(transitive) To affix with tabs; to label.

(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.

(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.

(Tyneside and Mackem) A cigarette.

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

(Oxbridge slang) A student of Cambridge University.