Meaning of BENCHMARK in English

BENCHMARK

/ ˈbentʃmɑːk; NAmE -mɑːrk/ noun

something which can be measured and used as a standard that other things can be compared with :

Tests at the age of seven provide a benchmark against which the child's progress at school can be measured.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.