Source : Webster's Revised Unabridged Dictionary (1913)

Bas-relief \Bas`-re*lief"\, n. [F. bas-relief; bas law + relief
   raised work, relever to raise: cf. It. bassorilievo.]
   Low relief; sculpture, the figures of which project less than
   half of their true proportions; -- called also {bassrelief}
   and {basso-rilievo}. See {Alto-rilievo}.