Assertion: cockle's shell | /r/HasProperty | round
Facets:
value: symmetrically
type: DEGREE
Source sentences:
text: They live in sandy beaches, and their shells are symmetrically round which appear heart shaped when viewed from the ends.
text: The dingy white shell, which is thick and rounded and has prominent concentric lines, is found in the intertidal zone from the Gulf of St. Lawrence to the Gulf of Mexico; it is the most important food clam of the Atlantic coast.