Citron
Citron (Citrus medica) is an ancient, large, fragrant citrus fruit with a thick, bumpy yellow rind, minimal juice, and a dense, sweet, or bitter pith. Primarily used for its rind in candied fruits, marmalades, and zest, it is a key ingredient in Italian desserts, perfumes, and religious rituals. Synonyms include Citrus medica, Etrog, and it is related to "Cedrata" (beverage).