am ‧ ber /ˈæmbə $ -ər/ BrE AmE noun [uncountable]
[ Date: 1300-1400 ; Language: Old French ; Origin: Medieval Latin ambra , from Arabic anbar 'substance obtained from the body organs of whales' ]
1 . a yellowish brown colour
2 . a hard yellowish brown substance used to make jewellery:
an amber necklace
—amber adjective