Defn: To shift, as the boom of a fore-and-aft sail, from one side of a vessel to the other when the wind is aft or on the quarter. See Gybe.

JIBE
Jibe, v. i.

1. (Naut.)

Defn: To change a ship's course so as to cause a shifting of the boom. See Jibe, v. t., and Gybe.

2. To agree; to harmonize. [Colloq.] Bartlett.

JIFFY
Jif"fy, n. Etym: [Perh. corrupt. fr. gliff.] [Written also giffy.]

Defn: A moment; an instant; as, I will be ready in a jiffy. [Colloq.]
J. & H. Smith.

JIG Jig, n. Etym: [OF. gigue a stringed instrument, a kind of dance, F. gigue dance, tune, gig; of German origin; cf. MHG. gige fiddle, G. geige. Cf. Gig a fiddle, Gig a whirligig.]

1. (Mus.)

Defn: A light, brisk musical movement.
Hot and hasty, like a Scotch jib. Shak.