Main′sailˊ
(mān′sālˊ)
,
(Naut.)
The principal sail in a ship or other vessel.
[They] hoised up the
mainsail
to the wind.
Acts xxvii. 40.
☞ The mainsail of a ship is extended upon a yard attached to the mainmast, and that of a sloop or schooner upon the boom.