D defs.my
Entry 1 sense Webster, 1913

Halichondriae

/(hăl`ĭ*kŏn"drĭ*ē)/ · Hal·i·chon·dri·ae · IPA
01 prop. n. pl. An order of sponges, having simple siliceous spicules and keratose fibers; -- called also Keratosilicoidea.
  1. 1.
    An order of sponges, having simple siliceous spicules and keratose fibers; -- called also Keratosilicoidea.(Zool.) Also: Keratosilicoidea