caliper
🇺🇸
/ˈkælɪpər/
🇬🇧
/ˈkælɪpə(r)/
A tool with two long, thin parts that are connected at one end, used to measure the width of round objects.
She used a pair of calipers to measure the diameter of the pipe.
她用一对卡尺测量管子的直径。
Metal supports that help weak or injured legs.
The athlete had to wear calipers after her injury.
运动员受伤后不得不戴上矫形器。