Word

lichen, n.
(lichens)

any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.
<noun.plant>

lichen

semantic pointers

member holonym

Lichenes, division Lichenes

hypernym

fungus

hyponym

ascolichen basidiolichen lecanora roccella, Roccella tinctoria beard lichen, beard moss, Usnea barbata horsehair lichen, horsetail lichen reindeer moss, reindeer lichen, arctic moss, Cladonia rangiferina crottle, crottal, crotal Iceland moss, Iceland lichen, Cetraria islandica

any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks
<noun.state>

lichen

semantic pointers

hypernym

skin disease, disease of the skin, skin disorder

hyponym

lichen planus, lichen ruber planus