D defs.my
Entry 1 sense Webster, 1913

Mizzenmast

· Miz·zen·mast · IPA /ˈmɪz.ənˌmæst/
01 n. The hindmost mast of a three-masted vessel, or of a yawl-rigged vessel; the after and shorter mast of a yawl, ketch, or dandy.
  1. 1.
    The hindmost mast of a three-masted vessel, or of a yawl-rigged vessel; the after and shorter mast of a yawl, ketch, or dandy.(Naut.)