Hence, that part of an instrument, tool, or other thing, which connects the acting part with a handle or other part, by which it is held or moved.

That part of a key which is between the bow and the part which enters the wards of the lock.

That part of a hoe, rake, knife, or the like, by which it is secured to a handle.

Prison terminology for homemade knife.

Homemade Knife (or Pick, Shiv, Sticker).

a crude, homemade steel "knife" usually about three to four inches in length

a homemade prison knife