Belonging to a chapter, in any sense of that word. Also capitulary.In botany, growing in a capitulum or head. See capitate.In zoology and anatomy, pertaining to a capitulum.n. An act passed in a chapter, as of knights or canons.n. plural The body of laws or statutes of a chapter or of an ecclesiastical council.n. A member of a chapter.n. In the preceding senses also capitulary.n. [Sp., ⟨ ML.: see above.] In parts of America settled by Spaniards, a regidor elected to the ayuntamiento or town council, as distinguished from one appointed by the executive authority.