Sca·phop'o·da noun plural [ New Latin , from Greek ska`fh a boat + -poda .] (Zoology) A class of marine cephalate Mollusca having a tubular shell open at both ends, a pointed or spadelike foot for burrowing, and many long, slender, prehensile oral tentacles. It includes ... Found on http://www.encyclo.co.uk/webster/S/26