dewberry

noun, plural dew·ber·ries.

1. (in North America) the fruit of any of several trailing blackberries of the genus Rubus.
2. (in England) the fruit of a bramble, Rubus caesius.
3. a plant bearing either fruit.

noun plural -ries

1. any trailing bramble, such as Rubus hispidus of North America and R. caesius of Europe and NW Asia, having blue-black fruits
2. the fruit of any such plant