(definition) by Webster 1913 Wed Dec 22 1999 at 0:03:08

Hal`i*chon"dri*ae (?), n. pl. [NL., fr. Gr. , , sea + cartilage.] Zool.

An order of sponges, having simple siliceous spicules and keratose fibers; -- called also Keratosilicoidea.

 

© Webster 1913.

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