[ af-ter-gahrd, ahf- ]
/ ˈæf tərˌgɑrd, ˈɑf- /

noun Nautical Slang.

the owner of a yacht or his guests.
the officers quartered in the stern of a vessel.

Origin of afterguard

First recorded in 1820–30; after + guard Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for afterguard

British Dictionary definitions for afterguard

/ (ˈɑːftəˌɡɑːd) /

noun sailing

a sailor or group of sailors stationed on the poop to attend to the aft sails
the members of the crew responsible for strategic decisions about the sailing and navigation of a boat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012