Assertion: whale's fluke | /r/HasProperty | large
Facets:
Source sentences:
text: In order to navigate the ocean these whales possess a large fluke and unusually long pectoral fins (about 1/3 the length of its body) which it uses for swimming, turning and propelling itself through the water.
text: The flukes or tail lobes of Sperm Whales are really thick and large.