the GNU version of the Collaborative International Dictionary of English
n. A little circle.
The Century Dictionary and Cyclopedia
n. A little circle; a roundel.
n. Same as rundlet.
n. In heraldry, same as roundel.
n. plural The fuller rounded part of the hood worn as a head-dress in the middle ages. See hood.
Word Usage
"Mexicans, Peruvians, and of every other ancient people commemorated in history, in either hemisphere, and is formed very similarly to our letter T, with a roundlet, or oval, placed immediately above it."