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.