释义 |
turret
tur·ret T0426100 (tûr′ĭt, tŭr′-)n.1. A small tower or tower-shaped projection on a building.2. a. A low, heavily armored structure, usually rotating horizontally, containing mounted guns and their gunners or crew, as on a warship or tank.b. A domelike gunner's enclosure projecting from the fuselage of a combat aircraft.3. A tall wooden structure mounted on wheels and used in ancient warfare by besiegers to scale the walls of an enemy fortress.4. An attachment for a lathe consisting of a rotating cylindrical block holding various cutting tools.5. A rotating device holding various lenses, as for a microscope, allowing easy switching from one lens to another. [Middle English turet, from Old French torete, diminutive of tor, tower; see tower.]turret (ˈtʌrɪt) n1. (Architecture) a small tower that projects from the wall of a building, esp a medieval castle2. (Military) a. a self-contained structure, capable of rotation, in which weapons are mounted, esp in tanks and warshipsb. a similar structure on an aircraft that houses one or more guns and sometimes a gunner3. (Fortifications) a tall wooden tower on wheels used formerly by besiegers to scale the walls of a fortress4. (Mechanical Engineering) (on a machine tool) a turret-like steel structure with tools projecting radially that can be indexed round to select or to bring each tool to bear on the work[C14: from Old French torete, from tor tower, from Latin turris]tur•ret (ˈtɜr ɪt, ˈtʌr-) n. 1. a small tower, usu. one forming part of a larger structure. 2. a small tower at an angle of a building, as of a castle or fortress, frequently beginning some distance above the ground. 3. a domelike structure, usu. revolving horizontally, in which a gun is mounted, as on an armored vehicle, ship, or aircraft. 4. Also called tur′ret•head` (-ˌhɛd) a pivoted attachment on a lathe or the like for holding a number of tools. [1300–50; Middle English turet < Middle French turete=tur tower1 + -ete -et] ThesaurusNoun | 1. | turret - a small tower extending above a buildingcastle - a large building formerly occupied by a ruler and fortified against attacktower - a structure taller than its diameter; can stand alone or be attached to a larger building | | 2. | turret - a self-contained weapons platform housing guns and capable of rotationgun enclosure, gun turretweapons platform, platform - any military structure or vehicle bearing weaponsarmored combat vehicle, armoured combat vehicle, army tank, tank - an enclosed armored military vehicle; has a cannon and moves on caterpillar treads | Translationsturret (ˈtarit) , ((American) ˈtə:rit) noun1. a small tower. A fortress often has turrets. 塔樓,角塔 塔楼,角塔 2. steel protecting gunners on a tank, plane etc. 砲塔(台) 炮塔(台) turret
turret1. a small tower that projects from the wall of a building, esp a medieval castle 2. (on a machine tool) a turret-like steel structure with tools projecting radially that can be indexed round to select or to bring each tool to bear on the work TurretA diminutive tower, characteristically projecting out on corbels from a corner of the structure.Turret a rotating unit on a machine tool, instrument, or apparatus that holds several tools, optical systems, or similar components. The turret is an essential part of turret lathes and is used on many automatic and semiautomatic machines, vertical lathes, and drill presses. It usually has an indexing mechanism for precise setting during rotation, that is, for positioning each tool in the working position. It may be rotated and locked in position automatically, manually, or by command from a program carrier in program-controlled machines. As the turret rotates, the speed and feed rate can be changed simultaneously to match the tool being used. turret[′tə·rət] (ordnance) A dome-shaped or cylindrical armored structure containing one or more guns and located on forts, warships, airplanes, and tanks. turret, tourelleA diminutive tower, characteristically corbeled from a corner.turret Related to turret: turret gunSynonyms for turretnoun a small tower extending above a buildingRelated Wordsnoun a self-contained weapons platform housing guns and capable of rotationSynonymsRelated Words- weapons platform
- platform
- armored combat vehicle
- armoured combat vehicle
- army tank
- tank
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