ar·y·te·noid (?r??-t??noid?, ?-r?t?n-oid?)n.1. Either of two small pitcher-shaped cartilages at the back of the larynx to which the vocal cords are attached.2. A muscle connected to either of these cartilages.3. Any of several small mucous glands located in front of these cartilages.adj. Of or relating to these cartilages or an associated muscle or gland.[New Latin arytaeno?d?s, from Greek arutainoeid?s, shaped like a ladle : arutaina, feminine variant of arut?r, ladle (from aruein, to draw water) + -oeid?s, -oid.]ar?y·te·noi?dal adj.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.arytenoid (?ær??ti?n??d) or arytaenoidadj1. (Anatomy) denoting either of two small cartilages of the larynx that are attached to the vocal cords2. (Anatomy) denoting any of three small muscles of the larynx that narrow the space between the vocal cordsn (Anatomy) an arytenoid cartilage or muscle[C18: from New Latin arytaeno?des, from Greek arutainoeid?s shaped like a ladle, from arutaina ladle]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014ar?y?te?noid (?ær ??ti n??d, ??r?t n???d) adj. 1. pertaining to either of two small cartilages at the back of the larynx. 2. pertaining to the muscles connected with these cartilages. n. 3. an arytenoid cartilage or muscle. [1685?95;