ˌbänəˈvenchə(r), ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
also bonaventure mizzen
( -s )
Etymology: probably from Italian buonaventura good luck, from buona good + ventura luck, fortune, short for avventura, from Latin adventura — more at bona-roba , adventure
: a sail hoisted on the fourth mast of a medieval boat ; also : the mast itself