flavorer, flavoring, flavourer, flavouring, seasoning, seasoner - something added to food primarily for the savor it imparts

table mustard, mustard - pungent powder or paste prepared from ground mustard seeds

black mustard, Brassica nigra - widespread Eurasian annual plant cultivated for its pungent seeds; a principal source of table mustard

Brassica hirta, Sinapis alba, white mustard - Eurasian mustard cultivated for its pungent seeds; a source of table mustard and mustard oil