a trailing prickly hybrid rosaceous plant, Rubus loganobaccus, cultivated for its edible fruit: probably a hybrid between an American blackberry and a raspberry
2.
a.
the purplish-red acid fruit of this plant
b.
(as modifier)
loganberry pie
Word origin
C19: named after James H. Logan (1841–1928), American judge and horticulturist who first grew it (1881)
Examples of 'loganberries' in a sentence
loganberries
Prune loganberries as soon as the fruits have been harvested.
Times, Sunday Times (2007)
Harvest loganberries when the fruits are fully coloured.
Times, Sunday Times (2009)
It is a similar story with raspberries, loganberries and all the cane fruits.
The Sun (2012)
Cut down the spent canes of loganberries and tayberries.
Times, Sunday Times (2012)
Avoid blackberries and their relatives (hybrid berries such as loganberries and tayberries), because these are too vigorous for containers.
Times, Sunday Times (2016)
Like raspberries and loganberries, they soon slump and will turn dull, so you just have to eat them.
Times, Sunday Times (2017)
We may have to get used to bigger pips in the larger fruited blackberries, loganberries and raspberries too.