Premiere \Pre*mi[`e]re"\, a. fem. [F., prop. fem. of premier first. See {Premier}, a.] First; chief; as, a premi[`e]re danseuse. -- n. fem.; pl. {-mi[`e]res} (F. pre*my[^a]r"). (a) The leading woman of a group, esp. in a theatrical cast. (b) A first performance, as of a play; a first night. [Webster 1913 Suppl.]