Dictionary 1. (n.) The top or head of a mast; the part of a mast above the hounds.2. (v. t.) To cause to go to the masthead as a punishment. Thesaurus billhead book stamp bookplate brand broad arrow cachet check colophon counterfoil countermark docket government mark government stamp hallmark imprint label letterhead logo logotype plate price tag registered trademark running head running title seal sigil signet stamp sticker stub tag tally ticket title page token trade name trademark trademark name |