a silver coin used in the past, for example in England and Scotland

When the fourpenny groat was introduced passengers handed that over. 四便士的银币一经出现，乘客便开始使用。

She felt as if she had just robbed a lame beggar of his last groat. 她觉得自己仿佛抢走了一个跛足乞丐最后一枚银币。

the seed part of crops such as oats, wheat, and rye, with its hard outer shell removed

Cook until all the liquid is absorbed and the groats are cooked through and tender. 煮至所有液体均被吸收，谷粒熟透并变软。

Whole oats were gently dried, then lightly ground to loosen their outer casing and release the groat. 将燕麦整体微微烘干，然后轻轻磨松外壳，现出谷粒。