SPADIX

spadix. Spadix, n. a receptacle proceeding from a spath

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Spa″dix (?), n.; pl. L. Spadices (#), E. Spadixes (#). [] 1. 1. (Bot.) A fleshy spike of flowers, usually inclosed in a leaf called a spathe.
2. 2. (Zoöl.) A special organ of the nautilus, due to a modification of the posterior tentacles.