turret

US /ˈtʌr.ət/
UK /ˈtʌr.ət/
"turret" picture
1.

角樓, 小塔

a small tower on top of a larger tower or at the corner of a building or wall, especially of a castle

:
The castle had several defensive turrets.
城堡有幾個防禦性的角樓
From the turret, she could see the entire valley.
角樓上,她可以看到整個山谷。
2.

砲塔

a low, flat, rotating structure, typically on a tank or warship, from which guns are fired

:
The tank's turret rotated to aim at the target.
坦克的砲塔旋轉以瞄準目標。
The battleship was equipped with multiple gun turrets.
戰艦配備了多個炮