2. (Zoöl.)

Defn: A genus of whales.

DIODONT
Di"o*dont, a. (Zoöl.)

Defn: Like or pertaining to the genus Diodon.
— n.

Defn: A fish of the genus Diodon, or an allied genus.

DIOECIA
Di*oe"ci*a, n. pl. Etym: [NL., fr. Gr.

1. (Bot.)

Defn: A Linnæan class of plants having the stamens and pistils on different plants.

2. (Zoöl.)

Defn: A subclass of gastropod mollusks in which the sexes are separate. It includes most of the large marine species, like the conchs, cones, and cowries.