dor·sa·lis \dȯrˈsalə̇s, -sāl-, -säl-\noun (pluraldorsa·les \-a(ˌ)lēz, -ā(ˌ)lēz, -äˌlās\) Etymology: New Latin, from Late Latin, adjective, dorsal — more at dorsal : any of several arteries situated in and supplying the back of the parts with which they are associated