: any of several edible fruits (as the orange, lemon, and grapefruit) produced by plants of Citrus and related genera Word History First Known Use 1849, in the meaning defined above Time Traveler The first known use of citrus fruit was in 1849 See more words from the same year ...
The meaning of CITRUS FRUIT is any of several edible fruits (as the orange, lemon, and grapefruit) produced by plants of Citrus and related genera.