Source : Webster's Revised Unabridged Dictionary (1913)

Hip \Hip\, n. [OE. hepe, AS. he['o]pe; cf. OHG. hiufo a bramble
   bush.] (Bot.)
   The fruit of a rosebush, especially of the English dog-rose
   ({Rosa canina}). [Written also {hop}, {hep}.]

   {Hip tree} (Bot.), the dog-rose.

Hip tree \Hip" tree`\ (Bot.)
   The dog-rose.