1. (noun) wild plum of northeastern United States having dark purple fruits with yellow flesh

• alleghany plum
• allegheny plum
• prunus alleghaniensis

2. (noun) a thorny Eurasian bush with plumlike fruits

• blackthorn
• prunus spinosa

1. (noun) wild plum of northeastern United States having dark purple fruits with yellow flesh

• wild plum
• wild plum tree

2. (noun) a thorny Eurasian bush with plumlike fruits

• bush
• shrub

3. (noun) small sour dark purple fruit of especially the Allegheny plum bush

• plum

1. (noun) a thorny Eurasian bush with plumlike fruits

• genus prunus
• prunus