Definition of mizzen-topmast in English:

mizzen-topmast

noun

Nautical
  • The section of mast above the lower mizzen-mast.

Origin

Early 17th century. From mizzen + topmast.

Pronunciation

mizzen-topmast

/ˌmɪznˈtɒpmɑːst//ˌmɪznˈtɒpmast/