jackknife clam - marine clam having a long narrow curved thin shellknife-handle, razor clamclam - burrowing marine mollusk living on sand or mud; the shell closes with viselike firmnessEnsis, genus Ensis - razor clams
jackknife clam
noun
Synonyms for jackknife clam
noun marine clam having a long narrow curved thin shell
jackknife clam - marine clam having a long narrow curved thin shell