malacotomy|mæləˈkɒtəmɪ| [f.Gr. µαλακό-ς soft + -τοµία cutting.] The anatomy of soft-bodied animals, e.g. the Mollusca. 1879in Rossiter Dict.Sci. Terms. Hence malacoˈtomica., pertaining to malacotomy; malaˈcotomist, one versed in malacotomy. In some recent Dicts.