Bible Dictionaries
Thine

Webster's Dictionary

(pron. & a.) A form of the possessive case of the pronoun thou, now superseded in common discourse by your, the possessive of you, but maintaining a place in solemn discourse, in poetry, and in the usual language of the Friends, or Quakers.

Bibliography Information
Webster, Noah. Entry for 'Thine'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/thine.html. 1828.