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Pronunciation: mus'tard

Definition: The dried ripe seeds of Brassica alba (white mustard) and B. nigra (black mustard) (family Cruciferae).

Synonym(s): mustard gas

[O.Fr. moustarde, fr. L. mustum, must]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.