Dewberry \Dew"ber`ry\, n. (Bot.)
   (a) The fruit of certain species of bramble (Rubus); in England, the fruit of R. c[ae]sius, which has a glaucous bloom; in America, that of R. canadensis and R. hispidus, species of low blackberries.
   (b) The plant which bears the fruit.

Feed him with apricots and dewberries. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)