Definition of "t"

The twentieth letter of the English alphabet, called tee and written in the Latin script.  examples

The ordinal number twentieth, derived from this letter of the English alphabet, called tee and written in the Latin script.  examples

Abbreviation of time.  examples

Alternative letter-case form of T, ton.  examples

(UK) Alternative letter-case form of T, tonne.  examples

(historical) Abbreviation of tomin.