n. a vertical spar for supporting sailsn. nuts of forest trees (as beechnuts and acorns) accumulated on the groundn. nuts of forest trees used as feed for swine
n. 船桅( mast的复数形式 ); 桅杆; 旗杆; 天线塔v. 船桅( mast的第三人称单数 ); 桅杆; 旗杆; 天线塔