Emily Dickinson Lexicon

CO-TYL-E'DON, n. [Gr. κοτυληδων, from κοτυλη, a hollow or cavity.]

1. In botany, the perishable lobe 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. – Milne. Martyn. Encyc.
2. In anatomy, a little glandular body adhering to the chorion of some animals. – Coxe. Encyc.
3. A genus of plants, navel-wort, or kidney-wort, of several species. – Encyc.