(anthropology, dated, offensive) Being a member of a racial classification of humanity composed of many peoples inhabiting Europe, the Northeast Atlantic, North Africa, the Horn of Africa, West Asia, South Asia and parts of Central Asia, as well as their descendants in other regions of the world.

(anthropology, dated, offensive) A member of this racial classification.

(chiefly US) Alternative form of cause célèbre

(law) the case title for a cause of action/lawsuit; a description of the parties involved, such as Johnson v. Smith.

In a cautious manner.

The tailfin of a fish and other aquatic vertebrates.

(zoology) Pertaining to the tail or posterior or hind part of a body.

A caudal vertebra.

(phonology) A phonemic merger in some varieties of English (especially American and Canadian English) in which the vowels in words such as hot and doll (/ɒ/) and in words such as law and talk (/ɔː/) are pronounced identically, making the words cot and caught homophones.

(US, law) The standard by which a police officer may make an arrest or conduct a personal or property search, based on the likelihood of a criminal act etc.