Meaning of BENCHMARK in English

BENCHMARK

■ noun

1》 a standard or point of reference against which things may be compared or assessed.

2》 a surveyor's mark cut in a wall or building and used as a reference point in measuring altitudes.

■ verb evaluate or check by comparison with a ~.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.