buckthorn

Noun buckthorn has 3 senses

• buckthorn(n = noun.plant) - a shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments;
is a kind of bush, shrub
is a member of genus rhamnus, rhamnus
has parts: buckthorn berry, yellow berry
has particulars: bearberry, bearwood, cascara buckthorn, chittamwood, chittimwood, rhamnus purshianus, carolina buckthorn, indian cherry, rhamnus carolinianus, california buckthorn, california coffee, coffeeberry, rhamnus californicus, alder buckthorn, alder dogwood, rhamnus frangula, red-berry, redberry, rhamnus croceus

• buckthorn(n = noun.plant) - any shrub or small tree of the genus Bumelia;
is a member of bumelia, genus bumelia
has particulars: bumelia lycioides, mock orange, shittim, shittimwood, southern buckthorn, black haw, bumelia lanuginosa, chittamwood, chittimwood, false buckthorn, shittimwood
is a kind of bush, shrub

• buckthorn(n = noun.plant) english plantain, narrow-leaved plantain, plantago lanceolata, ribgrass, ribwort, ripple-grass - an Old World plantain with long narrow ribbed leaves widely established in temperate regions;
is a kind of plantain