A rat is a stout-bodied, long-tailed rodent that resembles a mouse but is larger in size. They tend to have pointed snouts and their tails are scaly. Rats spread human diseases, such as the Black Death of the Middle Ages.
Rodents are the largest mammalian order, Rodentia. They have front teeth adept for gnawing and cheek teeth adept for chewing.
Skeleton words and phrases:
Skeleton key: a master key, one that opens almost everything; a key with nearly the whole substance of the web filed away.
Skeleton shrimp: a small crustacean of the genus Caprella.
Skeleton in the closet: secrets and truths that one does not want made public because they are embarrassing or just plain bad.
Skeleton regiment: a regiment which has its complement of officers, but in which there are few enlisted men.
Skeleton proof: a proof of a print or engraving, with the inscription outlined in hair strokes only, such proofs being taken before the engraving is finished.
Snakes are scaly, legless reptiles with long, tapering bodies containing many vertebrae. Their paired organs are linear rather than side by side. There are about 2,700 types of snakes and only one-fifth of those are venomous. All snakes are deaf. Some snakes wrap their bodies around their prey and constrict and crush their victims. Others bite their prey and inject a toxin.
Trolls are man-size or smaller creatures that dwell under bridges and in mounds by the seashore. They are likely to cause trouble to travelers and request a task or toll before allowing them to pass by.
In Scandinavian folklore, trolls are monstrous giants that live in castles and roam the land by night. They dislike humans and if exposed to sunlight they will turn to stone or explode.