Meaning of citrus

Definition of citrus

(noun) any of numerous fruits of the genus Citrus having thick rind and juicy pulp; grown in warm regions
any of numerous tropical usually thorny evergreen trees of the genus Citrus having leathery evergreen leaves and widely cultivated for their juicy edible fruits having leathery aromatic rinds

Other information on citrus

WIKIPEDIA results for citrus
Amazon results for citrus