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n. pl. fi·an·chet·ti (-kĕt′ē, -chĕt′ē)
The development in chess of a bishop from its original position to the second square of the adjacent knight's file.
tr. & intr.v. fi·an·chet·toed, fi·an·chet·to·ing, fi·an·chet·tos
To develop as or set up a fianchetto.
[Italian, diminutive of fianco, flank, from Old Italian, from Old French flanc; see flank.]
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.
fianchetto(ˌfɪənˈtʃɛtəʊ; -ˈkɛtəʊ) chess
n, pl -tos or -ti (-tiː)
(Chess & Draughts) the development of a bishop on the second rank of the neighbouring knight's file or the third rank of the nearer rook's file
vb, -toes, -toing or -toed
(Chess & Draughts) to develop (a bishop) thus
[C19: from Italian diminutive of fianco flank]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
fi•an•chet•to(ˌfi ənˈkɛt oʊ, -ˈtʃɛt oʊ)
n., pl. -chet•ti (-ˈkɛt i, -ˈtʃɛt i)
the development of a bishop in chess by moving it to the second square of the adjacent knight's file.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: fianchettoed
Collins English Verb Tables © HarperCollins Publishers 2011