Rare verb meaning ‘to cover with lichen’ or ‘to become covered with lichen’.
Synonyms
become covered with lichen
colonize (by lichen)
cover (with lichen)
Attributive use meaning ‘relating to or covered with lichen’.
The hikers rested on a lichen boulder near the stream.
Les randonneurs se sont reposés sur un bloc rocheux lichénique près du ruisseau.