jacketed adjective2 •Dressed in a jacket.For if a peer come like a porter jacketed, Retire he must:—tho’ up he raise his back at it, — 1780 •Encased or enclosed inside a jacket.One of the advantages of a matrix would be to reduce the cost of our shrapnel by enabling hardened lead balls and round cases to be used in place of the steel-jacketed balls and hexagonal cases... — 1861
