Noun

(en noun)

(legal) The issue in a writ of right.

(obsolete) Expense; cost; disbursement.

(obsolete) A tax or tallage; in Wales, an honorary gift of the people to a new king or prince of Wales; also, a tribute paid, in the country palatine of Chester, England, at the change of the owner of the earldom.

(Webster 1913) ----

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.