Webster's Revised Unabridged Dictionary · 1913

Metope

Metope , noun

[New Latin, from Greek {not transcribed}; meta` with, between + {not transcribed} opening, hole, the hole in the frieze between the beam ends.]

1.
(Architecture) The space between two triglyphs of the Doric frieze, which, among the ancients, was often adorned with carved work. See Illust. of Entablature.
2.
(Zoology) The face of a crab.

In the Parthenon, groups of centaurs and heroes in high relief occupy the metopes.