The Collaborative International Dictionary
Serpentigenous
Serpentigenous \Ser`pen*tig"e*nous\, a. [L. serpens, -entis, a serpent + -genous: cf. L. serpentigena.] Bred of a serpent.
Wiktionary
serpentigenous
a. 1 (context obsolete English) Bred of a serpent 2 Characteristic of the movement of a snake or worm; serpentine