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Webster 1913 Edition

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Noun.

[NL., fr. Gr. [GREEK] an upper garment;

ἐπί

upon + [GREEK] a garment; [GREEK] in + [GREEK] to put on.]

(Anat.)

The epithelial lining of the ventricles of the brain and the canal of the spinal cord; endyma; ependymis.