(nautical) An officer on a merchant ship next in rank to the captain and responsible to the captain for the safety and security of the ship.

(US, humorous) A man who is the spouse of a sitting president.

Happening for the first time; doing something for the first time.

A member of an emergency service who is first on the scene, or among those first on the scene, at an emergency. / A member of an emergency service trained to provide emergency medical care.

Third-person singular simple present indicative form of come first

simple past tense of come first

present participle of come first

(idiomatic) To win first place in a competition. / (idiomatic) To be the most important thing to consider.

(education, publishing) A book for children who are learning to read, usually consisting of pictures and some basic words or phrases. / Synonym of publisher's reader (see reader).

A child of a parent's sibling; a nephew or niece of a parent; a child of one's uncle or aunt.