citron

UK: /ˈsɪtrən/ US: /ˈsɪtrən/ ,(si′trən)

WordReference Random House Learner's Dictionary of American English © 2025

cit•ron /ˈsɪtrən/   n. 

1. Plant Biology [countable] a pale yellow fruit resembling the lemon.
2. Plant Biology [countable] the tree itself.
3. Food [uncountable] the skin or rind of the fruit candied and preserved.

WordReference Random House Unabridged Dictionary of American English © 2025

cit•ron  (si′trən), n. 

1. Plant Biology a pale-yellow fruit resembling the lemon but larger and with thicker rind, borne by a small tree or large bush, Citrus medica, allied to the lemon and lime.
2. Plant Biology the tree itself.
3. Food the rind of the fruit, candied and preserved.
4. a grayish-green yellow color.
5. Plant Biology See citron melon. 

adj. 

6. having the color citron.

• Latin citr(us) citrus + Italian -one augmentative suffix
• Italian citrone
• Middle French
• late Middle English 1375–1425

Collins Concise English Dictionary © HarperCollins Publishers::

citron / ˈsɪtrən/ noun

1. a small Asian rutaceous tree, Citrus medica, having lemon-like fruit with a thick aromatic rind
2. the fruit of this tree
3. the rind of either of these fruits, candied and used for decoration and flavouring of foods

Etymology: 16th Century: from Old French, from Old Provençal, from Latin citrus citrus tree