n. 1. a. A grass such as wheat, oats, or corn, the starchy grains of which are used as food. b. The grain of such a grass. 2. Any of several other plants or their edible seeds or fruit, such as buckwheat or certain species of amaranth. 3. A food prepared from any of these plants, especially a breakfast food made from commercially processed grain. adj. Consisting of or relating to grain or to a plant producing grain. [From Latin cereālis, of grain, from Cerēs, Ceres; see ker-2 in the Appendix of Indo-European roots.] |
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