Found 1 items, similar to Bow drill.
English → English (gcide) Definition: Bow drill 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. (Zo["o]l.) 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] Bow \Bow\ (b[=o]), n. [OE. bowe, boge, AS. boga, fr. AS. b[=u]gan to bend; akin to D. boog, G. bogen, Icel. bogi. See Bow, v. t.] [1913 Webster] 1. Anything bent, or in the form of a curve, as the rainbow. [1913 Webster] I do set my bow in the cloud. --Gen. ix. 13. [1913 Webster] 2. A weapon made of a strip of wood, or other elastic material, with a cord connecting the two ends, by means of which an arrow is propelled. [1913 Webster] 3. An ornamental knot, with projecting loops, formed by doubling a ribbon or string. [1913 Webster] 4. The U-shaped piece which embraces the neck of an ox and fastens it to the yoke. [1913 Webster] 5. (Mus.) An appliance consisting of an elastic rod, with a number of horse hairs stretched from end to end of it, used in playing on a stringed instrument. [1913 Webster] 6. An arcograph. [1913 Webster] 7. (Mech. & Manuf.) Any instrument consisting of an elastic rod, with ends connected by a string, employed for giving reciprocating motion to a drill, or for preparing and arranging the hair, fur, etc., used by hatters. [1913 Webster] 8. (Naut.) A rude sort of quadrant formerly used for taking the sun's altitude at sea. [1913 Webster] 9. (Saddlery) sing. or pl. Two pieces of wood which form the arched forward part of a saddletree. [1913 Webster] Bow bearer (O. Eng. Law), an under officer of the forest who looked after trespassers. Bow drill, a drill worked by a bow and string. Bow instrument (Mus.), any stringed instrument from which the tones are produced by the bow. Bow window (Arch.) See Bay window. To draw a long bow, to lie; to exaggerate. [Colloq.] [1913 Webster]