rat

1. n. One of several species of small rodents of the genus Mus and allied genera, larger than mice, that infest houses, stores, and ships, especially the Norway, or brown, rat (M. decumanus), the black rat (M. rattus), and the roof rat (M. Alexandrinus). These were introduced into America from the Old World. Source: opted

2. n. A round and tapering mass of hair, or similar material, used by women to support the puffs and rolls of their natural hair. Source: opted

3. n. One who deserts his party or associates; hence, in the trades, one who works for lower wages than those prescribed by a trades union. Source: opted

4. v. i. In English politics, to desert one's party from interested motives; to forsake one's associates for one's own advantage; in the trades, to work for less wages, or on other conditions, than those established by a trades union. Source: opted

5. v. i. To catch or kill rats. Source: opted

6. n. any of various long-tailed rodents similar to but larger than a mouse Source: wordnet

7. n. someone who works (or provides workers) during a strike Source: wordnet

8. n. a person who is deemed to be despicable or contemptible Source: wordnet

9. n. one who reveals confidential information to the police or other authority Source: wordnet

10. n. a pad (usually made of hair) worn as part of a woman's coiffure Source: wordnet

11. v. desert one's party or group of friends, for example, for one's personal advantage Source: wordnet

12. v. employ scabs or strike breakers in Source: wordnet

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