1Chiefly in plural. Possessions or benefits pertaining to the church or the clergy as a return for spiritual service; property or rights associated with an ecclesiastical foundation, benefice, etc. Now rare (chiefly historical).
2Spiritual or ecclesiastical people considered as a class or estate within the body politic; the clergy; = "spirituality". Now chiefly historical.
Late Middle English (in an earlier sense). From Anglo-Norman and Middle French spiritualté, Middle French spiritualleté, variants of Anglo-Norman and Middle French spiritualité spirituality.