antaplan of the Treasuryof the AtheniansDelphi, Greecean·ta (?n?t?)n. pl. an·tae (-t?) A pilaster forming the end of a projecting lateral wall, as in some Greek temples, and constituting one boundary of the portico.[From Latin antae, pilasters.]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.anta (?ænt?) n, pl antae (?ænti?) (Architecture) architect a pilaster attached to the end of a side wall or sometimes to the side of a doorwayCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014an?ta (?æn t?) n., pl. -tae (-t?). a rectangular pier or pilaster, esp. one formed by thickening the end of a masonry wall. [1745?55;