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Pasta in ribbed, slightly curved, large-sized tubes.
[Italian, from rigato, past participle of rigare, to draw a line, from riga, line, of Germanic origin.]
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.
(Cookery) macaroni in the form of short ridged often slightly curved pieces
[C20: Italian, plural of rigato, from rigare to draw lines, make stripes, from riga a line, of Germanic origin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
rig•a•to•ni(ˌrɪg əˈtoʊ ni)
(used with a sing. or pl. v.) a tubular pasta in short, ribbed pieces.
[1925–30; < Italian rigato furrowed, past participle of rigare, derivative of riga a line]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.