Dictionary

lichen

noun li·chen \ˈlī-kən, British also ˈli-chən\

: a type of small plant that grows on rocks and walls

Full Definition of LICHEN

1
:  any of several skin diseases characterized by a papular eruption
2
:  any of numerous complex plantlike organisms made up of an alga and a fungus growing in symbiotic association on a solid surface (as a rock)
li·chened \-kənd\ adjective
li·chen·ous \-kə-nəs\ adjective

Illustration of LICHEN

Origin of LICHEN

Latin, from Greek leichēn, lichēn, from leichein to lick
First Known Use: circa 1657

Rhymes with LICHEN

lichen

noun li·chen \ˈlī-kən\   (Medical Dictionary)

Medical Definition of LICHEN

1
:  any of several skin diseases characterized by the eruption of flat papules; especially :  lichen planus
2
:  any of numerous complex plantlike organisms made up of an alga and a fungus growing in symbiotic association on a solid surface (as a rock)

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