citrus

• POS: Adjective, Noun
• HYPHEN: cit=rus

CIDE DICTIONARY

citrus, n. [L., a citron tree.].

•  A genus of trees including the orange, lemon, lime, tangerine, citron, grapefruit, etc., originally natives of southern Asia.  [1913 Webster]
•  any tree belonging to the genus Citrus, having leathery evergreen leaves and bearing a soft pulpy fruit covered by a thick skin; -- called also citrus tree.  [PJC]
•  the fruit of a tree belonging to the genus Citrus, having a thick shiny skin and a soft, sweet to tart pulp.  [PJC]

OXFORD DICTIONARY

citrus, n.
1 any tree of the genus Citrus, including citron, lemon, lime, orange, and grapefruit.
2 (in full citrus fruit) a fruit from such a tree.

Derivative

citrous adj.

Etymology

L, = citron-tree or thuja