LICHEN /ˈlaɪ.kn̩/ ► audio Scrabble 11 Words With Friends 13 Definition noun any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks. noun any thallophytic plant of the division Lichenes. See all 38 words you can make from LICHEN → 6-letter words Words starting with L Words ending with N ← Unscramble different letters