a. [f. THERO- + -OID; cf. Gr. θηροειδής.] Like or having the form of a brute; of bestial nature or character.
1867. Maudsley, Physiol. Mind, 291. The theroid degenerations of mankind are pathological specimens. Ibid. (1870), Body & Mind, 47. There is a class of idiots which may justly be designated theroid, so like brutes are the members of it.
1886. N. Pearson, in 19th Cent., Sept., 353. The animal mind of the theroid idiot is accompanied by appropriate animal peculiarities of body:
