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Round at the top and tapering below; turnip-shaped: napiform roots.

[Latin nāpus, turnip + -form.]
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.


(Botany) botany shaped like a turnip
[C19: from Latin nāpus turnip]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈneɪ pəˌfɔrm)

turnip-shaped, as a root.
[1840–50; < Latin nāp(us) a kind of turnip + -i- + -form]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
6.If something is 'Napiform', it's shaped like which vegetable?
In botany, if something is napiform, what is it shaped like?
I remember being so thrilled when my first-born daughter was just a few weeks old, to discover the word 'napiform'.