Chapter Jackman to Jail of J by Webster's Dictionary (1913 Edition)

1. A notch; a cleft; a barb; a ragged or sharp protuberance; a denticulation.

Arethuss arose . . .
From rock and from jag.

Shelley.

Garments thus beset with long jags.

Holland.

2. A part broken off; a fragment. Bp. Hacket.

3. (Bot.) A cleft or division.

Jag bolt, a bolt with a nicked or barbed shank which resists retraction, as when leaded into stone.

Jag
(Jag), v. t. [imp. & p. p. Jagged ; p. pr. & vb. n. Jagging ] To cut into notches or teeth like those of a saw; to notch. [Written also jagg.]

Jagging iron, a wheel with a zigzag or jagged edge for cutting cakes or pastry into ornamental figures.

Jag
(Jag), n. [Scot. jag, jaug, a leather bag or wallet, a pocket. Cf. Jag a notch.] A small load, as of hay or grain in the straw, or of ore. [Prov. Eng. & Colloq. U.S.] [Written also jagg.] Forby.

Jag
(Jag), v. t. To carry, as a load; as, to jag hay, etc. [Prov. Eng. & Colloq. U.S.]

Jaganatha
(||Jag`a*nat"ha ||Jag`a*nat"ha) n. See Juggernaut.

Jager
(Ja"ger) n. [G. jäger a hunter, a sportsman. Cf. Yager.] [Written also jaeger.]

1. (Mil.) A sharpshooter. See Yager.

2. (Zoöl.) Any species of gull of the genus Stercorarius. Three species occur on the Atlantic coast. The jagers pursue other species of gulls and force them to disgorge their prey. The two middle tail feathers are usually decidedly longer than the rest. Called also boatswain, and marline-spike bird. The name is also applied to the skua, or Arctic gull

Jagg
(Jagg) v. t. & n. See Jag.

Jagged
(Jag"ged) a. Having jags; having rough, sharp notches, protuberances, or teeth; cleft; laciniate; divided; as, jagged rocks. " Jagged vine leaves' shade." Trench. — Jag"ged*ly, adv. — Jag"ged*ness, n.

Jagger
(Jag"ger) n. One who carries about a small load; a peddler. See 2d Jag. [Scot.] Sir W. Scott.

Jagger
(Jag"ger), n. [From 4th Jag.] One who, or that which, jags; specifically: (a) jagging iron used for crimping pies, cakes, etc. (b) A toothed chisel. See Jag, v. t.

Jagger spring, a spring beneath a seat, and resting on cleats or blocks in the body of a vehicle. Knight.

Jaggery
(Jag"ger*y) n. [Hind jagri. Cf. Sugar.] Raw palm sugar, made in the East Indies by evaporating the fresh juice of several kinds of palm trees, but specifically that of the palmyra [Written also jagghery.]

Jaggy
(Jag"gy) a. Having jags; set with teeth; notched; uneven; as, jaggy teeth. Addison.

Jaghir
(||Ja"ghir) n. [Per. jagir.] A village or district the government and revenues of which are assigned to some person, usually in consideration of some service to be rendered, esp. the maintenance of troops. [Written also jaghire, jagir, etc.] [India] Whitworth.

Jaghirdar
(||Ja"ghir*dar`) n. [Per. jagir-dar.] The holder of a jaghir.