(idiomatic) To forcibly prevent oneself from speaking, especially in order to avoid saying something inappropriate or likely to cause a dispute.

A Tonkinese cat.

The rear body or compartment of some types of motor vehicle, especially one containing seats for passengers. / An old-style open passenger vehicle with a tonneau (rear compartment with seats).

(surgery) The surgical removal of the tonsils, especially the palatine tonsils. Frequently accompanied by an adenoidectomy.

(Christianity, Buddhism) To shave the crown of the head as a sign of humility and religious vocation.

A ritual shaving of this kind. / The bald patch resulting from being tonsured.

simple past tense and past participle of tone

Having a (specified kind of) tone. / Physically fit, with somewhat defined and firm muscles and limited bodyfat.

A verbal rebuke, often severe.

Any of several species of Australian skinks in the genus Tiliqua.