横帆
7.To raise the lower corners of(a square sail) by means of clew lines. Used with up.
8.Most modern yachts have a fore and aft rig, but the old galleons were squared-rigged.
9.A long tapering spar slung to a mast to support and spread the head of a square sail, lugsail, or lateen.
10.The height or vertical dimension of a flag or of any square sail other than a course.

