rat

Definitions

• (zoology) A medium-sized rodent belonging to the genus Rattus.
• (informal) Any of the numerous members of several rodent families (e.g. voles and mice) that resemble true rats in appearance, usually having a pointy snout, a long, bare tail, and body length greater than about 12 cm, or 5 inches.
• (informal) A person who is known for betrayal; a scoundrel; a quisling.
• (informal) An informant or snitch.
• (informal) A scab: a worker who acts against trade union policies.
• (slang) A person who routinely spends time at a particular location.
• A wad of shed hair used as part of a hairstyle.
• A roll of material used to puff out the hair, which is turned over it.
• (UK) Vagina.
• (chiefly)