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American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Animals) another name for the pearly nautilus
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
nau•ti•lus(ˈnɔt l əs, ˈnɒt-)
n., pl. nau•ti•lus•es, nau•ti•li (ˈnɔt lˌaɪ, ˈnɒt-)
1. Also called chambered nautilus, pearly nautilus. any cephalopod of the genus Nautilus having a spiral, chambered shell with a pearly interior.
[1595–1605; < Latin < Greek nautílos paper nautilus, literally, sailor, derivative of naûs ship]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||chambered nautilus - cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions|
cephalopod, cephalopod mollusk - marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles
genus Nautilus - type genus and sole recent representative of the family Nautilidae
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