'Drill pin' definitions:
Definition of 'Drill pin'
From: GCIDE
- Drill \Drill\, n.
- 1. An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press. [1913 Webster]
- 2. (Mil.) The act or exercise of training soldiers in the military art, as in the manual of arms, in the execution of evolutions, and the like; hence, diligent and strict instruction and exercise in the rudiments and methods of any business; a kind or method of military exercises; as, infantry drill; battalion drill; artillery drill. [1913 Webster]
- 3. Any exercise, physical or mental, enforced with regularity and by constant repetition; as, a severe drill in Latin grammar. [1913 Webster]
- 4. (Zool.) A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is {Urosalpinx cinerea}. [1913 Webster]
- Bow drill, Breast drill. See under Bow, Breast.
- Cotter drill, or Traverse drill, a machine tool for drilling slots.
- Diamond drill. See under Diamond.
- Drill jig. See under Jig.
- Drill pin, the pin in a lock which enters the hollow stem of the key.
- Drill sergeant (Mil.), a noncommissioned officer whose office it is to instruct soldiers as to their duties, and to train them to military exercises and evolutions.
- Vertical drill, a drill press. [1913 Webster]