caliper (US) noun
or British calliper /ˈkæləpɚ/ plural calipers
or British calliper /ˈkæləpɚ/ plural calipers
Learner's definition of CALIPER
1
[count] : a tool that has two narrow legs which can be adjusted to measure the thickness or width of something(用于测量厚度和宽度的)卡钳,卡尺,卡规 —
usually plural通常用复数 2
callipers [plural] British : metal devices that are worn to support legs that have been weakened by injury or disease(支撑伤腿或病腿的)金属支架