PROTRACTOR


Meaning of PROTRACTOR in English

pro ‧ trac ‧ tor /prəˈtræktə $ proʊˈtræktər/ BrE AmE noun [countable]

a piece of plastic in the shape of a half-circle, which is used for measuring and drawing angles ⇨ setsquare

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.