spleenwort(n = noun.plant) - any of various chiefly rock-inhabiting ferns of the genus Asplenium;
is a kind of fern
is a member of asplenium, genus asplenium
has particulars: asplenium adiantum-nigrum, black spleenwort, asplenium platyneuron, ebony spleenwort, scott's spleenwort, black-stem spleenwort, black-stemmed spleenwort, little ebony spleenwort, asplenium rhizophyllum, camptosorus rhizophyllus, walking fern, walking leaf, asplenium trichomanes, maidenhair spleenwort, asplenium viride, green spleenwort, asplenium montanum, mountain spleenwort, asplenium ruta-muraria, wall rue, wall rue spleenwort, asplenium bradleyi, bradley's spleenwort, asplenium pinnatifidum, lobed spleenwort, asplenium billotii, lanceolate spleenwort

   Any fern of the genus Asplenium, some species of which were anciently used as remedies for disorders of the spleen. [1913 Webster]

spleenwort, n. any fern of the genus Asplenium, formerly used as a remedy for disorders of the spleen.

black spleenwort, black-stem spleenwort, black-stemmed spleenwort, bradley's spleenwort, ebony spleenwort, green spleenwort, lanceolate spleenwort, little ebony spleenwort, lobed spleenwort, maidenhair spleenwort, mountain spleenwort, narrow-leaved spleenwort, scott's spleenwort, silvery spleenwort, wall rue spleenwort