Meaning of RAT in English

RAT

n. & v.

--n.

1. a any of several rodents of the genus Rattus (brown rat). b any similar rodent (muskrat; water-rat).

2 a deserter from a party, cause, difficult situation, etc.; a turncoat (from the superstition that rats desert a sinking ship).

3 colloq. an unpleasant person.

4 a worker who refuses to join a strike, or who blacklegs.

5 (in pl.) sl. an exclamation of contempt, annoyance, etc.

--v.intr. (ratted, ratting)

1. (of a person or dog) hunt or kill rats.

2 colloq. desert a cause, party, etc.

3 (foll. by on) a betray; let down. b inform on.

Phrases and idioms:

rat-catcher a person who rids buildings of rats etc. rat kangaroo Austral. any of various small ratlike marsupials of the family Potoroidae, having kangaroo-like hind limbs for jumping. rat race a fiercely competitive struggle for position, power, etc. rat's tail a thing shaped like a rat's tail, e.g. a tapering cylindrical file. rat-tail

1. the grenadier fish.

2 a horse with a hairless tail.

3 such a tail. rat-tail (or -tailed) spoon a spoon with a tail-like moulding from the handle to the back of the bowl.

Etymology: OE r{aelig}t & OF rat

Oxford English vocab.      Оксфордский английский словарь.