citrus

noun

cit·​rus ˈsi-trəs How to pronounce citrus (audio)
plural citrus or citruses
often attributive
: any of a group of often thorny trees and shrubs (Citrus and related genera) of the rue family grown in warm regions for their edible fruit (such as the orange or lemon) with firm usually thick rind and pulpy flesh
also : the fruit
citrusy
ˈsi-trə-sē How to pronounce citrus (audio)
adjective

Examples of citrus in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Tropical, berry, citrus and spicy profiles give chains more ways to rotate seasonal and limited-time versions. — Ryan Brennan, Kansas City Star, 24 Aug. 2026 Adobo sauce gives it heat, and honey and lime give it sweet citrus flavor. — Southern Living Editors, Southern Living, 24 Aug. 2026 Vermouth is a lower-proof aperitif flavored with herbs, roots, spices, citrus and other botanicals, typically landing somewhere between 15% and 22% ABV—considerably gentler than the roughly 40% ABV of many familiar spirits. — Devin Parr, Forbes.com, 21 Aug. 2026 Instead, use a small amount of olive or canola oil and add flavor with garlic, pepper, herbs, citrus, or a low-sodium marinade. — Lindsey Desoto, HEALTH, 20 Aug. 2026 See All Example Sentences for citrus

Word History

Etymology

borrowed from New Latin, going back to Late Latin, "the citron tree Citrus medica," going back to Latin, "the North African conifer Tetraclinis articulata," borrowed from or akin to Greek kédros "cedar, juniper" — more at cedar

Note: The word citrus in reference to a citrus tree is apparently not firmly attested before post-classical Latin. However, Pliny, who in Historia naturalis 13.29-31 discusses the North African conifer in some detail, adds that others use the word citrus for a different tree whose fruit is cursed by some for its odor and bitter taste, but sought out by others ("Alia est arbor eodem nomine, malum ferens execratum aliquis odore et amaritudine, aliis expetitum …"). This could well have been Citrus medica (literally, "Median citrus"). Compare also mālum citreum, "fruit of the citrus tree," alluded to by Scribonius Largus and Martial. It is unclear why a word for Tetraclinis articulata would have been extended to a tree as different as Citrus medica; similar uses of the wood, as for detering moths, have been suggested. An extensive discussion of the use of citrus wood in antiquity is in Russell Meiggs, Trees and Timber in the Ancient Mediterranean World (Oxford, 1982), pp. 286-92.

First Known Use

1781, in the meaning defined above

Time Traveler
The first known use of citrus was in 1781

Phrases Containing citrus

Rhymes for citrus

See All Rhymes for citrus

Browse Nearby Words

Citrullus
citrus
citrus anthracnose
See all Nearby Words

Cite this Entry

“Citrus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/citrus. Accessed 27 Aug. 2026.

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Kids Definition

citrus

noun
cit·​rus ˈsi-trəs How to pronounce citrus (audio)
plural citrus or citruses
: any of a genus of often thorny trees and shrubs (as the orange, grapefruit, or lemon) grown in warm regions for their fruits
also : the fruit of a citrus
citrus adjective

Medical Definition

citrus

noun
cit·​rus ˈsi-trəs How to pronounce citrus (audio)
often attributive
1
capitalized : a genus of often thorny trees and shrubs of the rue family (Rutaceae) grown in warm regions for their edible fruit (as the orange, lemon, lime, or mandarin) with firm usually thick rind and pulpy flesh
2
plural citruses or citrus : any plant or fruit of the genus Citrus or a related genus

More from Merriam-Webster on citrus

Britannica.com: Encyclopedia article about citrus

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