(1):

(v. t.) Devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious.

(2):

(n.) A devotional composition, or part of a composition; devotion.

(3):

(n.) A devotee.

(4):

(v. t.) Warmly devoted; hearty; sincere; earnest; as, devout wishes for one's welfare.

(5):

(v. t.) Expressing devotion or piety; as, eyes devout; sighs devout; a devout posture.