Webster's Revised Unabridged Dictionary · 1913

Alto-rilievo

Alto-rilievo ({not transcribed}) , noun

[Italian]

(Sculpture) High relief; sculptured work in which the figures project more than half their thickness; as, this figure is an alto-rilievo or in alto-rilievo.

When the figure stands only half out, it is called mezzo-rilievo, demi-rilievo, or medium relief; when its projection is less than one half, basso-rilievo, bas-relief, or low relief.