Is'a-bel or Is'a-bel-eōl'or, n.

n. [Fr. isabelle, so called from the Spanish princess Isabella, daughter of King Philip II., and consort of Archduke Albert of Austria, who, in 1601, made a vow not to change her shift until after her husband's taking of Ostend, which happened in 1604, by which time her shift had assumed this color.] A brownish yellow, with a shade of brownish red.