'My' definitions:

Definition of 'My'

From: GCIDE
  • My \My\ (m[imac]), a. & poss. pron. [OE. mi, fr. min. See Mine, and cf., for loss of n, A, a., An, a.] Of or belonging to me; -- used always attributively; as, my body; my book; -- mine is used in the predicate; as, the book is mine. See Mine. [1913 Webster]