mo ‧ las ‧ ses /məˈlæsəz, məˈlæsɪz/ BrE AmE noun [uncountable] American English
[ Date: 1500-1600 ; Language: Portuguese ; Origin: melaço , from Late Latin mellaceum 'grape juice' , from Latin mel 'honey' ]
a thick dark sweet liquid that is obtained from raw sugar plants when they are being made into sugar SYN treacle British English