Definition of unmast in English:

unmast

verb

  • with object To remove or destroy the mast or masts of (a ship).

Origin

Early 17th century; earliest use found in John Florio (1553–1625), author and teacher of languages. From un- + mast.

Pronunciation

unmast

/(ˌ)ʌnˈmɑːst//(ˌ)ʌnˈmast/