Thy

Definitions:

Of or belonging to thee.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (adjective) (adj.) (adjective)
Pertaining or belonging to thee: possessive singular of the pronoun of the second person, grave form.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (pronoun) (pron.) (pronoun)
Of thee, or belonging to thee.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (pronoun) (pron.) (pronoun)
Thine, of or pertaining to thee.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adjective) (adj.) (adjective)
Of, or pertaining to thee.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (pronoun) (pron.) (pronoun)

Usage examples:

Go and tell thy master that a friend wishes to see him; but first give me some drink.
- Cinq Mars, Complete by Alfred de Vigny Last Updated: March 3, 2009
But where is thy brother?
- The Great Mogul by Louis Tracy
Have I not ever been thy friend?
- The Sea-Hawk by Raphael Sabatini