Definify.com

Webster 1913 Edition

Halichondriae

‖

Halˊi-chon′dri-ae

(hălˊĭ-kŏn′drĭ-ē)

,

p

rop.

Noun.

pl.

[NL., fr. Gr.

ἄλς

,

ἁλός

, sea +

χόνδροσ

cartilage.]

(Zool.)

An order of sponges, having simple siliceous spicules and keratose fibers; – called also

Keratosilicoidea

.