 In Old English , the term plūme was " from medieval Latin pruna , from Latin prunum , " which equated to " prune " . Prune in modern French means plum , so plum tarts have names such as tarte aux prunes . In English , prunes are dried plums , and when modern cakes use them as a primary ingredient , they may be referred to as a plum cake or type of plum cake . 
 In Old English , the term plūme was " from medieval Latin pruna , from Latin prunum , " which equated to " prune " . Prune in modern French <a href='uninflect' title='1'><mark>means</mark></a> plum , so plum tarts <a href='got' title='2'><mark>have</mark></a> names such as tarte aux <a href='uninflect' title='3'><mark>prunes</mark></a> . In English , prunes are dried plums , and when modern cakes use them as a primary ingredient , they may be referred to as a plum cake or type of plum cake . 
In Old English , da term plūme was " from medieval Latin pruna , from Latin prunum , " which equated to " prune " . Prune in modern French mean plum , so plum tarts got names such as tarte aux prune . In English , prunes are dried plums , and when modern cakes use em as a primary ingredient , they may be referred to as a plum cake or type of plum cake .