“‖ Cyma” listed on page 1,302 of volume II (C) of A New English Dictionary on Historical Principles [1st ed., 1893]
‖ Cyma (səi·mă). Also 6 syma, 6–9 sima, 7–8 scima, 8–9 cima. [mod.L., a. Gr. κῦμα anything swollen, a billow, a wave, a waved or ogee moulding, the young sprout of a cabbage (in which sense also L. cȳma, whence the botanical use).] [¶] 1.Arch. A moulding of the cornice, the outline of which consists of a concave and a convex line; an ogee. [¶] Cyma recta: a moulding concave in its upper part, and convex in its lower part. Cyma reversa (rarely inversa): a moulding convex in its upper part, and concave in its lower part. [¶] 1563ShuteArchit. Ci b, 4 partes geue also to Sima reuersa. Ibid. Ciij b, That second parte which remayneth of the Modulus ye shall geue vnto Syma. 1703MoxonMech. Exerc. 267 Scima reversa..Scrima recta, or Ogee. 1726LeoniAlberti’s Archit. II. 34 b, A Cima inversa of the breadth of two minutes. 1761Brit. Mag. II. 642 The true cima, or cimaise. 1850LeitchMüller’s Anc. Art. § 249. 258 A base of several plinths and cymas. [¶] 2.Bot. = Cyme 1 and 2. [¶] 1706Phillips (ed. Kersey), Cyma..the young Sprout of Coleworts, or other Herbs: a little Shoot, or Branch: But it is more especially taken by Herbalists for the top of any Plant. 1775LightfootFlora Scotia (1792) I. 236 The cyma, or little umbel which terminates the branches.
“‖cyma” listed in the Oxford English Dictionary [2nd ed., 1989]