Definitions
from The Century Dictionary.
- noun A heart-shaped sea-urchin; any spatangoid. Also called
mermaid's-head .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun sea urchin having a heart-shaped body in a rigid spiny shell
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deinonychus commented on the word heart urchin
To make it even worse, one of the families of heart urchins are called Loveniidae.
February 10, 2012