toothed whale: any of several whales having simple conical teeth and feeding on fish etc.
cetacean: large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
sixteen personality factor questionnaire: a self-report personality inventory developed by Raymond B. Cattell to measure the 16 personality dimensions that emerged from his factor analysis of a wide range of traits