·noun An uncial letter.
II. Uncial ·adj 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 These letters were used as early as the 1st century ·b.c., and were seldom used after the 10th century ·a.d., being superseded by the cursive style.