ˈsi.trən noun
( -s )
Etymology: Middle English, from Middle French, from Old Provençal, modification of Latin citrus citron tree, sandarac tree ( Tetraclinis articulata ); akin to Greek kedros cedar — more at cedar
1.
a. : a citrus fruit that resembles the lemon in appearance and structure but is larger and without a terminal nipple
b. : a small shrubby citrus tree ( Citrus medica ) that produces citrons
c. also citron melon : any of various melons derived from a variety ( Citrullus vulgaris citroides ) of the watermelon having the hard fruit often mottled and with white flesh
2. : the preserved rind of the citron used in cakes, breads, and puddings
3.
a. : a grayish greenish yellow
b. : a light yellow