un·cial also Un·cial 
(ŭnshəl, -sē-əl)
(ŭnshəl, -sē-əl)adj.
Of or relating to a style of writing characterized by somewhat rounded capital letters and found especially in Greek and Latin manuscripts of the fourth to the eighth century AD.
n.
1. A style of writing characterized by somewhat rounded capital letters. It provided the model from which most of the capital letters in the modern Latin alphabet are derived.
2. A capital letter written in this style.
[From Late Latin ūnciālēs (litterae), inch-high (letters), uncials, pl. of Latin ūnciālis, inch-high, from ūncia, a twelfth part, ounce, inch; see oi-no- in the Appendix of Indo-European roots.]
uncial