citrus

noun

cit·​rus ˈsi-trəs 

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 

adjective

Examples of citrus in a Sentence

Recent Examples on the Web

Grapes from Marlborough often carry bright citrus and tropical fruit notes, balanced by the acidity, which makes the wine perfect or pairing with a wide range of foods. —Elizabeth Fogarty, Better Homes & Gardens, 14 Oct. 2025

Avoid an acid overload of tart and tangy (pickles and citrus), a bold flavor competition, sweet and funky flavors colliding (fruity jams and aged cheeses), and a clash of spicy meats and cheeses with delicate fruits and accompaniments. —Catharine Kaufman, San Diego Union-Tribune, 13 Oct. 2025

All three whiskeys are quite good, with variances in flavor ranging from rich caramel notes in Mushroom, to a bright citrus tone that defines Beaver, and a oaky maple undercurrent in Owl. —Jonah Flicker, Robb Report, 13 Oct. 2025

In some parts of the Lone Star State, recipes even include citrus zest for a Southwestern twist. —Deirdre Bardolf, FOXNews.com, 11 Oct. 2025

Word History

Etymology

New Latin, genus name, from Latin

First Known Use

1781, in the meaning defined above

Phrases Containing citrus

• Asian citrus psyllid
• citrus canker
• citrus greening
• citrus greening disease
• citrus red mite

Rhymes for citrus

• nitrous

Kids Definition

citrus

noun

cit·​rus ˈsi-trəs 

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 

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