• (a.) Pertaining to the measles; partaking of the nature of measels, or resembling the eruptions of that disease; measly.
Mor·bil'lous adjective [ Late Latin morbilli measles, dim. of Latin morbus disease: confer French morbilleux .] Pertaining to the measles; partaking of the nature of measels, or resembling the eruptions of that disease; measly.