morello
nounEtymology Probably either: * an alteration of morel with Italian -ello substituted for the ending, perhaps after Italian morello (“dark-coloured”); or * from Italian amarello and/or Dutch amarelle, marelle, both from Medieval Latin amārellum, from Latin amārus + -ellum.
1
A variety of cultivated cherry (Prunus cerasus var. austera), having a dark skin