FIRST
First, n. (Mus.)

Defn: The upper part of a duet, trio, etc., either vocal or instrumental; — so called because it generally expresses the air, and has a preëminence in the combined effect.

FIRSTBORN
First"born`, a.

Defn: First brought forth; first in the order of nativity; eldest; hence, most excellent; most distinguished or exalted.

FIRST-CLASS
First"-class`, a.

Defn: Of the best class; of the highest rank; in the first division; of the best quality; first-rate; as, a first-class telescope. First- class car or First-class railway carriage, any passenger car of the highest regular class, and intended for passengers who pay the highest regular rate; — distinguished from a second-class car.

FIRST-HAND
First"-hand`, a.

Defn: Obtained directly from the first or original source; hence, without the intervention of an agent. One sphere there is . . . where the apprehension of him is first-hand and direct; and that is the sphere of our own mind. J. Martineau.

FIRSTLING
First"ling, n. Etym: [First + -ling.]

1. The first produce or offspring; — said of animals, especially domestic animals; as, the firstlings of his flock. Milton.