a pungent yellow or brownish paste or powder used esp with meat as a condiment or in medicine, esp as an emetic or counterirritant, and ground from the seeds of any of several related plant ofs belonging to the cabbage family
any of several species of these plants, with lobed leaves, yellow flowers, and straight seed pods: genera Brassica and Sinapis
a brownish yellow colour
mustard adj
mustardy adj
[Middle English from Old French mostarde from moust must, from Latin mustum: see must3]