Synonyms of lichen

Noun

1. lichen, skin disease, disease of the skin, skin disorder

usage: any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks

2. lichen, fungus

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

Definition and meaning of lichen (Dictionary)