noun Date: 15th century one that marks, something used for marking, score 7, promissory note , IOU , something that serves to identify, predict, or characterize: as, bio~ , genetic ~
MARKER
Meaning of MARKER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012