lichen
英['laɪk(ə)n;'lɪtʃ(ə)n]
美['laɪkən]
- n. 地衣；青苔
- vt. 使长满地衣
英英释意
- 1. any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks
- 2. any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.