尺子

chǐzi
ruler (measuring instrument)

classifier: 把

CEDICT

Entry Composition

1 尺 chǐ
  1. a Chinese foot
  2. one-third of a meter
  3. a ruler
  4. a tape-measure
  5. one of the three acupoints for measuring pulse in Chinese medicine

classifiers: 支, 把
2 子 zi noun suffix, as in 椅子 yǐzi "chair"