The process of definitizing.

(finance) A document defining the final terms of an agreement between buyer and seller, typically of a company's assets or stock.

plural of definitive agreement

(ecology) The host in which a parasite reproduces sexually.

plural of definitive host

(grammar) An article that introduces a noun and specifies it as the particular noun that is being considered; in English, the only definite article is the.

(semantics) A definition relying directly or indirectly on the term being defined.

The meaning of a word in actual usage by speakers of a certain language.

(semantics) A descriptive definition specifying one of the commonly used meanings of the defined term.

An extension to a lexical definition for a specific purpose by including additional criteria that narrow down the set of things meeting the definition.