Noun

(en noun)

(rfc-sense) (en) A vile, wicked person.

# An extremely depraved person, or one capable or guilty of great crimes.

# A deliberate scoundrel.

The bad person in a work of fiction; often the main antagonist of the hero.

*{{quote-book, year=1905, author=

, title= , chapter=2 citation , passage=Miss Phyllis Morgan, as the hapless heroine dressed in the shabbiest of clothes, appears in the midst of a gay and giddy throng; she apostrophises all and sundry there, including the villain , and has a magnificent scene which always brings down the house, and nightly adds to her histrionic laurels.}}

* July 18 2012 , Scott Tobias, AV Club The Dark Knight Rises [http://www.avclub.com/articles/the-dark-knight-rises-review-batman,82624/]

As The Dark Knight Rises brings a close to Christopher Nolan’s staggeringly ambitious Batman trilogy, it’s worth remembering that director chose The Scarecrow as his first villain —not necessarily the most popular among the comic’s gallery of rogues, but the one who set the tone for entire series.

Noun

(en noun)

(zoology) A medium-sized rodent belonging to the genus Rattus .

* {{quote-magazine, year=2013, month=May-June, author= Charles T. Ambrose

, title= Alzheimer’s Disease , volume=101, issue=3, page=200, magazine=(American Scientist) , passage=Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems—surgical foam, a thermal gel depot, a microcapsule or biodegradable polymer beads.}}

(informal) A term indiscriminately applied to numerous members of several rodent families (e.g. voles and mice) having bodies longer than about 12 cm, or 5 inches.

(informal) A person who is known for betrayal; a scoundrel; a quisling.

* 1883 , (Robert Louis Stevenson), (Treasure Island)

He’s more a man than any pair of rats of you in this here house.

(informal) An informant or snitch.

(slang) A person who routinely spends time at a particular location.

Scab.

Vagina.

A wad of shed hair used as part of a hairstyle.