Answer: cockle

AnswerCrossword Clue
COCKLEBivalve
COCKLEMarine mollusk
COCKLEHeart part?
COCKLEEdible shellfish.
COCKLEShellfish.
COCKLESeashell
COCKLECertain shell
COCKLEWrinkle
cocklea shellfish / to wrinkle (to crease (to make a wrinkle in))
cocklemollusk with heart-shaped valves
cocklethe place of one's deepest feelings