Pronunciation: (&thslash;īn), [key]
1. the possessive case of thou used as a predicate adjective, after a noun or without a noun.
2. the possessive case of thou used as an attributive adjective before a noun beginning with a vowel or vowel sound: thine eyes; thine honor. Cf. thy.
3. that which belongs to thee: Thine is the power and the glory.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.