Cyma recta

Cyma recta: A cyma in which the upper section is concave and the lower section convex. NOT an ogee.
Furniture
OG ...

Cyma recta - A double-curved moulding, concave above and convex below; also called an ogee moulding.
Cyma reversa - A double-curved moulding, convex above and concave below; also called a reverse ogee moulding.
Architecture Glossary ...

Cyma Recta - A molding consisting of double elements, concave above, convex below.
Cyma Reversa - A molding opposite of the cyma recta, here concave below, convex above.

Cyma Recta
A cyma moulding having an upper concave curve and a lower convex curve
Cyma Reversa ...

Best known are - Bird's beak; Bead and reel; Cable, (like a rope); Cavetto, (a moulding with a concave profile describing a quater of a circle); Chevron; Cyma recta, (convex to concave); Cyma reversa, or ogee, (concave to convex); ...

Ogee - A double-curved or inverted s-shape. Victorian and Edwardian buildings have ogee spouting. (Refer: Cyma recta)
Open work - Decorative panel consisting largely of voids.

This is used at the top of arches as well as for the profile of moldings. The ogee arch is Gothic in design. If the ogee curve has the convex or hollow part upwards it is referred to as Cyma Reversa or Cyma Rectas.

the sides of the cusps have smaller cusps, usually on a recessed plane.CutwaterA curved- or angle-ended stage at the bottom of a bridge pier.Cyclopean masonryLarge irregular polygonal stones, smooth and finely jointed.Cyma recta and cyma ...

See also: Cyma, Architecture, Cyma reversa, Profile, Moulding