citrus

cit·rus

noun, often attributive \ˈsi-trəs\

plural citrus or cit·rus·es

Definition of CITRUS

: 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 (as the orange or lemon) with firm usually thick rind and pulpy flesh; also : the fruit

— cit·rusy \ˈsi-trə-sē\ adjective

Origin of CITRUS

New Latin, genus name, from Latin

First Known Use: 1825

cit·rus

noun , often attrib \ˈsi-trəs\   (Medical Dictionary)

Medical Definition of CITRUS

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

citrus

noun    (Concise Encyclopedia)

Any of the plants that make up the genus Citrus, in the rue family, that yield pulpy fruits covered with fairly thick skins. The genus includes the lemon, lime, sweet and sour oranges, tangerine, grapefruit, citron, and shaddock (C. maxima, or C. grandis; also called pomelo).