1. （船只的）桅顶，桅头
A ship's masthead is the highest part of its mast.

2. （首页顶端印有报纸名称的）刊头，报头
A newspaper's masthead is the part at the top of the front page where its name appears in big letters.

1. the head or top of a mast

2. the title of a newspaper or magazine
usually printed on the front page and on the editorial page

3. a listing printed in all issues of a newspaper or magazine (usually on the editorial page) that gives the name of the publication and the names of the editorial staff, etc.

Synonym: flag