exophthalmos n 1: protrusion of the eyeball from the socket
Exophthalmos \Ex`oph*thal"mos\, Exophthalmus \Ex`oph*thal"mus\, n. [NL.] (Med.) Same as {Exophthalmia}. Syn: exophthalmus, exophthalmy. [1913 Webster]