sclerotal Anat.
(sklɪəˈrəʊtəl)
[f. sclerot-is + -al1.]
Any of the component plates of the bony ring which protects the sclerotic coat of the eyeball in certain birds and reptiles.
| 1854 Owen in Orr's Circ. Sci., Org. Nat. I. 179 An ossified part of the eye-capsule, commonly in two pieces, ‘sclerotals’. 1884 Coues Key N. Amer. Birds (ed. 2) 182 It is reinforced by a circlet of bones, the sclerotals. |