Definition of Lichen
- 1. Any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks Noun
- 2. Any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc. Noun
Semanticaly linked words with "lichen"
Hyponims for word "lichen"