yardstick

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a measure or standard used for comparison (Freq. 1)
- on what kind of yardstick is he basing his judgment?
• Hypernyms:
standard, criterion, measure, touchstone
2. a ruler or tape that is three feet long
• Syn:
yard measure
• Hypernyms:
rule, ruler