traverse drill
Webster's Dictionary (GCIDE)
Oak . . . being strong in all positions, may be better trusted in cross and traverse work. --Sir H. Wotton. [1913 Webster]
The ridges of the fallow field traverse. --Hayward. [1913 Webster]
Traverse drill (Mach.), a machine tool for drilling slots, in which the work or tool has a lateral motion back and forth; also, a drilling machine in which the spindle holder can be adjusted laterally. [1913 Webster]
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 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]