Definition of "uncial"

uncial¹

adjective
comparative more uncial, superlative most uncial
1. (rare) Of or relating to an ounce, or an inch, especially to letters printed an inch high.

uncial²

/ˈʌn.si.əl/

adjective
not comparable
1. Of or relating to a majuscule style of writing with unjoined, rounded letters, originally used in the 4th–9th centuries.
  Quotations
  This, also written in black letter, we found inscribed on a second parchment that was in the coffer, apparently somewhat older in date than that on which was inscribed the mediæval Latin translation of the uncial Greek of which I shall speak presently.
  1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887
noun
plural uncials
1. A style of writing using uncial letters.
2. A letter in this style.
3. A manuscript in this style.