aftmost
aft·most
(ăft′mōst′)adj.
Farthest aft; aftermost.
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.
aftmost
(ˈɑːftˌməʊst)adj
furthest aft; furthest towards the rear; rearmost
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014