masthead

As a noun masthead

is (nautical) the top of a mast.

As a verb masthead

is (nautical|transitive) to send to the masthead as a punishment.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between letterhead and masthead

is that letterhead is paper which has the name of the person or company it is from printed on the top (possibly including address or other information). Used for formal correspondence while masthead is the top of a mast.

As a verb masthead is

to send to the masthead as a punishment.

As a noun masthead is

(nautical) the top of a mast.

As a verb masthead is

(nautical|transitive) to send to the masthead as a punishment.

In nautical terms the difference between masthead and dogvane

is that masthead is the top of a mast while dogvane is a small vane of bunting, feathers, or other light material, carried at the masthead to indicate the direction of the wind.

As a verb masthead

is to send to the masthead as a punishment.