cherrystone       
noun [ C ] mainly US uk/ˈtʃer.i.stəʊn/ us/ˈtʃer.i.stoʊn/ (also cherrystone clam)
 小蛤蜊
a small size of clam (= a sea creature with a shell in two parts and a soft body that can be eaten)
  The fried clams were whole fried cherrystones. 炸蛤蜊是整只炸的小蛤蜊。 
 steamed cherrystone clams with rice wine vinegar and dill 清蒸小蛤蜊肉配米酒醋和莳萝 
 - More examples
 - Cherrystones, littlenecks, topnecks, and chowders are the common market names for the various sizes of hardshell clams.
 - I had cherrystone clams for my starter and they were fresh and delicious.
 - Cherrystones, if they’re good-quality ones, are the closest you can get here to European clams.