Webster’s Revised Unabridged Dictionary · 1913
Spadix
Spa′dix (spā′dĭks), n.; pl. L. Spadices (#), E. Spadixes (#). [L., a palm branch broken off, with its fruit, Gr. σπάδιξ.] 1. (Bot.) A fleshy spike of flowers, usually inclosed in a leaf called a spathe.
2. (Zoöl.) A special organ of the nautilus, due to a modification of the posterior tentacles.