shell drill

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• shell drill — noun : a short 4 fluted drill mounted on an arbor and used for rough reaming compare auger, bit I 3a, cross bit …   Useful english dictionary

• Drill, baby, drill — Drill, baby, drill! was a 2008 Republican campaign slogan first used at the 2008 Republican National Convention[1] by former Maryland Lieutenant Governor Michael Steele, who was later elected Chairman of the Republican National Committee.[2] The… …   Wikipedia

• 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 …   The Collaborative International Dictionary of English

• Drill jig — 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 …   The Collaborative International Dictionary of English

• Drill pin — 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 …   The Collaborative International Dictionary of English

• Drill sergeant — 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 …   The Collaborative International Dictionary of English

• Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …   Wikipedia

• Drill Stem Test — A drill stem test (DST) is a procedure for isolating and testing the surrounding geological formation through the drill stem. The test is a measurement of pressure behavior at the drill stem and is a valuable way to obtain important sampling… …   Wikipedia

• Shell gorget — A shell gorget is a Native American art form of polished, carved shell pendants worn around the neck. The gorgets are frequently engraved, and are sometimes highlighted with pigments, or fenestrated (pierced with openings). Shell gorgets were… …   Wikipedia

• shell reducer — noun : a thin metal shell or liner inserted into the force feed shell of a grain drill to decrease the rate of planting of small seeds (as flaxseed) …   Useful english dictionary

• drill — n. [D. drillen, to bore, drill] (MOLLUSCA: Gastropoda) A snail that preys upon other mollusks by penetrating the shell with a drilling apparatus; see radula …   Dictionary of invertebrate zoology