na·os (n???s)n. pl. na·oi (-oi) See cella.[Greek dialectal n?os, temple, shrine.]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.naos (?ne??s) n, pl naoi (?ne???) 1. (Architecture) rare an ancient classical temple2. (Architecture) architect another name for cella[C18: from Greek: inner part of temple]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014na?os (?ne? ?s) n., pl. -oi (-oi). 1. a temple or shrine. 2. cella. [1765?75;