| 单词 | cetacean | 
| 释义 | cetaceanadj.n. Zoology.  A. adj.   Of or pertaining to the Cetacea. ΘΚΠ the world > animals > mammals > order Cetacea (whales) > 			[adjective]		 cetaceous1646 cetacean1850 1850    J. D. Dana U.S. Exploring Exped.: Geol. App. i. 722  				Fragments of other cetacean bones. 1863    D. Wilson Prehistoric Ann. Scotl. 		(ed. 2)	 I.  i. ii. 49  				The cetacean remains lay fully twenty feet above the highest tide-level.  B. n.   An animal belonging to the Cetacea (to which word this supplies a singular). ΘΚΠ the world > animals > mammals > order Cetacea (whales) > 			[noun]		 > member of whalec893 cetec1220 blubber-fish1756 sea-pig1826 cetacean1835 1835–6    Todd's Cycl. Anat. & Physiol. I. 562/2  				The horizontal position of the tail-fin at once distinguishes the cetacean from the fish. This entry has not yet been fully updated (first published 1889; most recently modified version published online June 2022). <  | 
	
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