Meaning of GRAM in English

GRAM

gram S3 BrE AmE ( also gramme British English ) /ɡræm/ noun [countable] ( written abbreviation g or gm )

[ Date: 1700-1800 ; Language: French ; Origin: gramme , from Greek gramma 'letter, writing, small weight' , from graphein 'to write' ]

the basic unit for measuring weight in the ↑ metric system

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