Mon"ster\, n. [OE. monstre, F. monstre, fr. L. monstrum, orig., a divine omen, indicating misfortune; akin of monstrare to show, point out, indicate, and monere to warn. See Monition and cf. Demonstrate, Muster]
1. Something of unnatural size, shape or quality; a prodigy; an enormity; a marvel.
2. Specifically, an animal or plant departing greatly from the usual type, as by having too many limbs.
3. Any thing or person of unnatural or excessive ugliness, deformity, wickendess or cruelty.