relating to or written in majuscule letters (which resemble modern capitals)
Uncial letters.
source: WordNet 3.0
Of, pertaining to, or designating, a certain style of letters used in ancient manuscripts, esp. in Greek and Latin manuscripts. The letters are somewhat rounded, and the upstrokes and downstrokes usually have a slight inclination. These letters were used as early as the 1st century b. c., and were seldom used after the 10th century a. d., being superseded by the cursive style.
source: Webster 1913
noun
a style of orthography characterized by somewhat rounded capital letters; found especially in Greek and Latin manuscripts of the 4th to 8th centuries
