Spa"dix (?), n.; pl. L. Spadices (#), E. Spadixes (#). [L., a palm branch broken off, with its fruit, Gr. .]
1. Bot.
A fleshy spike of flowers, usually inclosed in a leaf called a spathe.
2. Zool.
A special organ of the nautilus, due to a modification of the posterior tentacles.
© Webster 1913.