saffron

definition: a shade of yellow tinged with orange
example:
speech part: noun
synonyms: orange yellow
definition: dried pungent stigmas of the Old World saffron crocus
example:
speech part: noun
synonyms:
definition: Old World crocus having purple or white flowers with aromatic pungent orange stigmas used in flavoring food
example:
speech part: noun
synonyms: saffron crocus

How saffron is being used?