Webster’s Revised Unabridged Dictionary · 1913
Monstrosity
Mon·stros′i·ty (mŏn·strŏs′ĭ·ty̆), n.; pl. Monstrosities (#). [Cf. F. monstruosité. See Monstrous.] The state of being monstrous, or out of the common order of nature; that which is monstrous; a monster. South.
A monstrosity never changes the name or affects the immutability of a species. Adanson (Trans. ).