bas-re ‧ lief /ˌbɑː rɪˈliːf, ˌbæs-/ BrE AmE noun [uncountable and countable] technical
[ Date: 1600-1700 ; Language: French ; Origin: bas 'low' + relief 'raised work' ]
a style of art in which stone or wood is cut so that shapes are raised above the surrounding surface ⇨ high relief