caliper

n. 测径规, 卡钳
vt. 用测径规测量

caliper 也作 cal.li.per

n.（名词）
Often calipers An instrument consisting essentially of two curved hinged legs, used to measure thickness and distances.
常作 calipers 卡规：一种由两个弯曲的铰接在一起的脚组成的仪器，用于测量厚度和距离
A large instrument having a fixed and a movable arm on a graduated stock, used for measuring the diameters of logs and similar objects.
测径器：一种大仪器，在一刻度盘上有固定且可动的测脚，用于测量圆木和类似物体的直径
A vernier caliper.
游标卡尺

来源：
Alteration of caliber
caliber的变化

【引伸】
cal.iper
v.（动词）