Jack"et*ed, a. Wearing, or furnished with, a jacket.
Jack"et*ing, n. The material of a jacket; as, nonconducting jacketing.
Jack" Ketch" (?). [Perh. fr. Jack, the proper name + Prov. E. ketch a
hangman, fr. ketch, for catch to seize; but see the citations below.] A
public executioner, or hangman. [Eng.]
The manor of Tyburn was formerly held by Richard Jaquett, where
felons for a long time were executed; from whence we have Jack
Ketch.
Lloyd's MS., British Museum.
[Monmouth] then accosted John Ketch, the executioner, a wretch who
had butchered many brave and noble victims, and whose name has,
during a century and a half, been vulgarly given to all who have
succeeded him in his odious office.
Macaulay.
Jack"knife` (?), n. A large, strong clasp knife for the pocket; a
pocket knife.
Jack"man (?), n.; pl. Jackmen (&?;).