NOUN (1)

1. a short religious service;


ADJECTIVE (1)

1. relating to worship;
- Example: "a devotional exercise"

The Collaborative International Dictionary of English v.0.48:

Devotional \De*vo"tion*al\, a. [L. devotionalis.]
   Pertaining to, suited to, or used in, devotion; as, a
   devotional posture; devotional exercises; a devotional frame
   of mind. Devotionalist

WordNet (r) 3.0 (2006):

devotional
    adj 1: relating to worship; "a devotional exercise"
    n 1: a short religious service