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| us·ne·a [ ússnee ə, úznee ə ] (plural us·ne·ae [ ússnee ] or us·ne·as) |
noun |
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| Definition: |
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type of lichen: a common lichen with a hanging body in which the root, stem, and leaf are not distinguished. Genus Usnea.
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| [Late 16th century. Via modern and medieval Latin< Arabic, Persian ušna "moss, lichen"] |
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