lu·thi·er (lo?o?t?-?r)n. One that makes or repairs stringed instruments, such as violins.[French, from luth, lute, from Old French lut; see lute1.]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.luthier (?lu?t??) n1. (Professions) a lute-maker2. (Instruments) a lute-makerCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014lu?thi?er (?lu ti ?r) n. a maker of stringed instruments, as violins. [1875?80;