Meanings
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1
adj
covered with or bearing lichen
They rested in a lichenous hollow beneath the pines.
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2
adj
composed of lichen
A lichenous crust spread slowly across the exposed stone.
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3
adj
resembling lichen in texture, color, or appearance
The wall had a green, lichenous pattern of stains.
Thesaurus
Etymology
Formed from lichen + -ous ("full of, characterized by"). Lichen ultimately comes through Latin from Greek leichen, related to leichein ("to lick"), perhaps referring to the organism's spreading surface.