the constellation Serpens Caput, representing the head of the serpent

painful infection or abscess at the end of a finger or toe, characterized by swelling and pus formation; term used in traditional Chinese medicine

any of various predatory freshwater fish of the family Channidae, characterized by a long body and a head resembling that of a snake

Having a shifty and repulsive appearance; used to describe someone who looks cunning, crafty, or up to no good.