Definition of citrous
1 : of or relating to the genus Citrus a hardier strain of citrous trees
2 : of, relating to, devoted to the production of, or affecting plants or fruit of the genus Citrus a citrous disease an important citrous area
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Origin and Etymology of citrous
in sense 1, from New Latin Citrus; in sense 2, from citrus + -ous
First Known Use: 1658
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