rat

/ɹæt/

noun

1
A medium-sized rodent belonging to the genus Rattus.
2
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.
3
A person who is known for betrayal; a scoundrel; a quisling.
“What a rat, leaving us stranded here!”
4
An informant or snitch.
5
A scab: a worker who acts against trade union policies.
6
A person who routinely spends time at a particular location.
“He loved hockey and was a devoted rink rat.”
7
A wad of shed hair used as part of a hairstyle.
8
A roll of material used to puff out the hair, which is turned over it.
9
Vagina.
“Get your rat out.”
10
Short for muskrat.

1
(usually with “on” or “out”) To betray a person or party, especially by telling their secret to an authority or an enemy; to turn someone in.
“He is going to rat us out!”
2
To work as a scab, going against trade union policies.
3
(of a dog, etc.) To kill rats.

1
A scratch or a score.
2
A place in the sea with rapid currents and crags where a ship is likely to be torn apart in stormy weather.

1
To scratch or score.
“He ratted a vertical line on his face with a pocket knife.”
2
To tear, rip, rend.
“Ratted to shreds.”
3
Damn, drat, blast; used in oaths.

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