You'll find 6 meanings outlined in OED's entry for the noun masthead, two of that happen to be labelled obsolete. See ‘That means & use’ for definitions, usage, and quotation evidence. This instance is from Wikipedia and could be reused underneath a CC BY-SA license. Inside of a cutter rig, https://jcfeece.bloggerbags.com/31583051/manual-article-review-is-required-for-this-article