rat is the dictionary form of rats Definition of rat
rat has definitions from the fields of zoology,work
1
[ noun ] (zoology) any of various long-tailed rodents similar to but larger than a mouse
2
[ noun ] (work) someone who works (or provides workers) during a strike
3
[ verb ] (work) take the place of work of someone on strike

Synonyms

blackleg scab

4
[ verb ] give away information about somebody

Examples

"He told on his classmate who had cheated on the exam"

5
[ verb ] catch rats, esp. with dogs
6
[ verb ] give (hair) the appearance of being fuller by using a rat
7
[ noun ] a person who is deemed to be despicable or contemptible

Examples

"only a rotter would do that" "kill the rat" "throw the bum out" "you cowardly little pukes!" "the British call a contemptible person a `git'"

8
[ verb ] (work) employ scabs or strike breakers in (an industry)
9
[ verb ] desert one's party or group of friends, for example, for one's personal advantage
10
[ noun ] a pad (usually made of hair) worn as part of a woman's coiffure
11
[ noun ] one who reveals confidential information in return for money
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