a small tower on top of a larger tower or at the corner of a building or wall, typically of a castle (尤指城堡的)角楼,塔楼 ■a low, flat armoured tower, typically one that revolves, for a gun and gunners in a ship, aircraft, fort, or tank (尤指可旋转的战舰、飞机、堡垒或坦克的)炮塔 ■a rotating holder for tools, especially on a lathe (尤指机床上的)转台
(亦作 turret shell)a mollusc with a long, slender, pointed spiral shell, typically brightly coloured and living in tropical seas 锥螺
Family Turitellidae, class Gastropoda: Turitella and other genera 锥螺科,腹足纲:锥螺属及其他属
派生 turreted adjective 语源
Middle English: from Old French tourete, diminutive of tour 'tower'