from The Century Dictionary and Cyclopedia
- n. A family of irregular or exocyclic sea-urchins, typified by the genus Scutella; the shield-urchins, with flat, discoidal shell, often perforated or fissured, and with ramified grooves on the under side. See Echinarachnius, Mellita, sand-dollar, and cuts under cake-urchin and Encope. Also called Mellitidæ.
Sorry, no etymologies found.