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rat noun

  /ɹæt/
  • (zoology) A medium-sized rodent belonging to the genus Rattus.
 rata
  • (informal) An informant or snitch.
 bribón, canalla, chivato, sapo, villano
  • (informal) A scab: a worker who acts against trade union policies.
 chivato

rat verb

  /ɹæt/
  • (intransitive, with on or out) To inform on someone; to betray someone to the police or authorities. [from 20th c.]
 delatar, chivar

rats interjection

  /ɹæts/
  • (informal) Expression of annoyance or disgust; damn, darn. [from 1886]
 diablos
rat out
delatar, ratear, ratiar
lab rat
cobaya, cobayo, conejillo de Indias
rat poison
raticida
hood rat
chorro, loba, rata, roto
brown rat
rata común
mole-rat
rata topo
black rat
rata negra, rata de campo
smell a rat
haber gato encerrado, oler a gato encerrado, olerse la tostada
kangaroo rat
rata canguro
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