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English definition of “moss”

moss

noun [C or U] uk   /mɒs/ us    /mɑːs/
a very small, green or yellow plant that grows especially in wet earth or on rocks, walls, and tree trunks: The rocks near the river were covered with moss.
mossy
adjective uk   /ˈmɒs.i/ us    /ˈmɑː.si/
a mossy tree/rock/lawn
(Definition of moss from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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