n. pl. citrus or cit·rus·es
1. Any of various evergreen, usually spiny shrubs or trees of the genus Citrus and other genera in the family Rutaceae, such as the grapefruit, lemon, and orange, native to South and Southeast Asia and widely cultivated for their juicy edible fruits with a leathery aromatic rind.
2. The fruit of any of these plants.
Of or relating to any of the citrus plants or their fruits.
[Latin, citron tree.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
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