01 n. A genus of trees including the orange, lemon, lime, tangerine, citron, grapefruit, etc., originally natives of southern Asia.
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1.
A genus of trees including the orange, lemon, lime, tangerine, citron, grapefruit, etc., originally natives of southern Asia.(Bot.)
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2.
any tree belonging to the genus Citrus, having leathery evergreen leaves and bearing a soft pulpy fruit covered by a thick skin; -- called also citrus tree.(Bot.) Also: citrus tree
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3.
the fruit of a tree belonging to the genus Citrus, having a thick shiny skin and a soft, sweet to tart pulp.(Bot.)