BILLET-DOUX Bil`let-doux", n.; pl. Billets-doux. Etym: [F. billet note + doux sweet, L. dulcis.]

Defn: A love letter or note.
A lover chanting out a billet-doux. Spectator.

BILLETHEAD
Bil"let*head`, n. (Naut.)

Defn: A round piece of timber at the bow or stern of a whaleboat, around which the harpoon lone is run out when the whale darts off.

BILLFISH
Bill"fish`, n. (Zoöl.)

Defn: A name applied to several distinct fishes: (a) The garfish (Tylosurus, or Belone, longirostris) and allied species. (b) The saury, a slender fish of the Atlantic coast (Scomberesox saurus). (c) The Tetrapturus albidus, a large oceanic species related to the swordfish; the spearfish. (d) The American fresh-water garpike (Lepidosteus osseus).

BILLHEAD
Bill"head`, n.

Defn: A printed form, used by merchants in making out bills or rendering accounts.

BILL HOLDER
Bill" hold`er.

1. A person who holds a bill or acceptance.