n. 碾去壳的燕麦(小麦)

[ noun ]
the hulled and crushed grain of various cereals
<noun.food>

Groats \Groats\, n. pl. [OE. grot, AS. gr[=a]tan; akin to Icel.
grautr porridge, and to E. gritt, grout. See {Grout}.]
Dried grain, as oats or wheat, hulled and broken or crushed;
in high milling, cracked fragments of wheat larger than
grits.

{Embden groats}, crushed oats.