amphioxus

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am·phi·ox·us

 (ăm′fē-ŏk′səs)
n.

[amphi- + Greek oxus, sharp; see ak- in Indo-European roots.]
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.

amphioxus

(ˌæmfɪˈɒksəs)
n, pl -oxi (-ˈɒksaɪ) or -oxuses
(Animals) another name for the lancelet
[C19: from New Latin: both ends being sharp, from amphi- + Greek oxus sharp]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

lance•let

(ˈlæns lɪt, ˈlɑns-)

n.
any small, lancet-shaped burrowing marine animal of the subphylum Cephalochordata, having a notochord and numerous gill slits. Also called amphioxus.
[1565–75]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

am·phi·ox·us

(ăm′fē-ŏk′səs)
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.amphioxus - small translucent lancet-shaped burrowing marine animalamphioxus - small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates
cephalochordate - fish-like animals having a notochord rather than a true spinal column
genus Amphioxus - type genus of the Amphioxidae
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.