/kap"euh leen', -lin/ , n.
1. Armor. an iron skullcap worn by medieval archers.
2. Heraldry. a representation of a hood, sometimes used as a mantling.
Also, capelline .
[ 1425-75; late ME cappellina, equiv. to capell ( o ) ( cappellus, deriv. of cappa hood; see CAP 1 ) + -ina -INE 1 ]