Peer, n.
 1. One of the same rank, quality, endowments, character, etc.; an equal; a match; a mate.
    In song he never had his peer.   --Dryden.
    Shall they consort only with their peers?   --I. Taylor.
 2. A comrade; a companion; a fellow; an associate.
    He all his peers in beauty did surpass.   --Spenser.
 3. A nobleman; a member of one of the five degrees of the British nobility, namely, duke, marquis, earl, viscount, baron; as, a peer of the realm.
    A noble peer of mickle trust and power.   --Milton.
 House of Peers, The Peers, the British House of Lords. See Parliament.
 Spiritual peers, the bishops and archibishops, or lords spiritual, who sit in the House of Lords.