Coro´na (Lat. crown). The chief member of the cornice, directly beneath the gutter, by its great projection and rectilinear faces forming the drip.

Crepido´ma (Gr. from κρηπίς-ιδος, boot). The entire foundation of the temple, including the stereobate, the stylobate, and the remaining steps.

Cy´ma (Gr. wave). A moulding composed of two distinct curves. The Doric cyma is commonly called the beak-moulding, the Lesbian cyma the cyma reversa.

Den´til (Lat. denticulus, from dens, dentis, tooth). Small rectangular blocks in the bed-moulding of a cornice, originally representing the ends of the slats which formed the ceiling.

Diad´ochi (Gr. successors, from διαδέχομαι, to receive from another), a term applied to the successors of Alexander.

Diminution. In architectural usage, the continued contraction of the diameter of the shaft as it ascends.

Dip´teros, adj. dip´teral (from Gr. δίς, double, and πτερόν, wing). That variety of a temple plan which has two ranges of columns entirely surrounding the cella.

Dro´mos (Gr. course). A road; particularly applied to the entrance-passages to subterranean treasure-houses.

Echi´nos, pl. echi´ni (Gr. hedgehog, so called from the resemblance of the member to the shell of the sea-urchin). The curved and projecting moulding which supports the abacus in the Doric capital.

Egg-and-dart moulding. Term applied to the well-known carving of the roundel common in the Ionic style.