COTYLEDON, n. [Gr., a hollow or cavity.] 1. In botany, the perishable lobe or placenta of the seeds of plants. It involves and nourishes the embryo plant, and then perishes. Some seeds have two lobes; others one only, and others none.2. In anatomy, a little glandular body adhering to the chorion of some animals.3. A genus of plants, navel-wort, or kidney-wort, of several species.
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