Term: heart urchin: sea urchin having a heart-shaped body in a rigid spiny shell
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: telescopic sight: gunsight consisting of a telescope on a firearm for use as a sight
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: sweet tooth: a strong appetite for sweet food
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: european swift: common European bird with a shrieking call that nests chiefly about eaves of buildings or on cliffs
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: quarrel: an arrow that is shot from a crossbow; has a head with four edges
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: prurigo: chronic inflammatory disease of the skin characterized by blister capped papules and intense itching
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: caster: a worker who casts molten metal into finished products
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: accord: concurrence of opinion
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: research center: a center where research is done
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: pop: a sweet drink containing carbonated water and flavoring
Broader: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells | Unrelated: hunt: an instance of searching for something