Ĕn'ne-ad, n.

[Gr. ἐννεάς, -αδος, from ἐννέα, nine.]

1Sense 1. One division of the collection made by Porphyry of the doctrines of Plotinus;—so called from their arrangement in six divisions of nine books each. [Obs.] Whewell.

2Sense 2. The number nine. [Obs.] Bailey.