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.]

Source: The Collaborative International Dictionary of English v.0.48
 

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.

Source: Webster's Revised Unabridged Dictionary (1913)