The Collaborative International Dictionary of English v.0.48:
Spiritual \Spir"it*u*al\, a. [L. spiritualis: cf. F. spirituel.
1. Consisting of spirit; not material; incorporeal; as, a
spiritual substance or being.
It is sown a natural body, it is raised a spiritual
body. --1 Cor. xv.
2. Of or pertaining to the intellectual and higher endowments
of the mind; mental; intellectual.
3. Of or pertaining to the moral feelings or states of the
soul, as distinguished from the external actions; reaching
and affecting the spirits.
God's law is spiritual; it is a transcript of the
divine nature, and extends its authority to the acts
of the soul of man. --Sir T.
4. Of or pertaining to the soul or its affections as
influenced by the Spirit; controlled and inspired by the
divine Spirit; proceeding from the Holy Spirit; pure;
holy; divine; heavenly-minded; -- opposed to carnal.
That I may impart unto you some spiritual gift.
--Rom. i. ll.
Blessed be the God and Father of our Lord Jesus
Christ, who hath blessed us with all spiritual
blessings. --Eph. i. 3.
If a man be overtaken in a fault, ye which are
spiritual, restore such an one. --Gal. vi. 1.
5. Not lay or temporal; relating to sacred things;
ecclesiastical; as, the spiritual functions of the clergy;
lords spiritual and temporal; a spiritual corporation.
Spiritual coadjuctor. (Eccl.) See the Note under Jesuit.
Spiritual court (Eccl. Law), an ecclesiastical court, or a
court having jurisdiction in ecclesiastical affairs; a
court held by a bishop or other ecclesiastic.