rockcress

Noun rockcress has 2 senses

• rockcress(n = noun.plant) barbarea vulgaris, rocket cress, sisymbrium barbarea, yellow rocket - noxious cress with yellow flowers; sometimes placed in genus Sisymbrium; Array
is a part of barbarea, genus barbarea
is a kind of weed

• rockcress(n = noun.plant) rock cress - any of several rock-loving cresses of the genus Arabis; Array
is a kind of cress, cress plant
is a member of arabis, genus arabis
has particulars: arabis canadensis, sicklepod, arabis turrita, tower cress, tower mustard