citron

Short definition from Wiktionary

Noun

1. 1
   A greenish yellow colour.
2. 2
   A small citrus tree, Citrus medica.
3. 3
   The fruit of a citron tree.
4. 4
   The candied rind of the citron fruit.

Adjective

1. 1
   Of a greenish yellow colour.

Proper noun

1. 1
   A surname.