*jagger*

n. [ From 4th Jag. ] One who, or that which, jags; specifically: (a) a jagging iron used for crimping pies, cakes, etc. (b) A toothed chisel. See Jag, v. t. [ 1913 Webster ]

Jagger spring, a spring beneath a seat, and resting on cleats or blocks in the body of a vehicle. Knight. [ 1913 Webster ]

n. [ Hind jāgrī. Cf. Sugar. ] Raw palm sugar, made in the East Indies by evaporating the fresh juice of several kinds of palm trees, but specifically those of the palmyra (Borassus flabelliformis) and jaggery palm (Caryota urens). [ Written also jagghery and jaggary. ] [ 1913 Webster ]