Definitions for youngberryˈyʌŋˌbɛr i, -bə ri
Random House Webster's College Dictionary
young•ber•ryˈyʌŋˌbɛr i, -bə ri(n.)(pl.)-ries.
a large, sweet, purple berry that is a cultivated cross between a blackberry and a dewberry.
the trailing bush bearing this berry.
Origin of youngberry:
1930–35; after B. M. Young, U.S. hybridizer, who developed it c1900
A hybrid between a blackberry and a dewberry of the rose family, first cultivated in the western United States.
Origin: Named for its cultivator, Byrnes M. Young.