the GNU version of the Collaborative International Dictionary of English
adj. Most eastern.
The Century Dictionary and Cyclopedia
Most eastern; situated in the point furthest east.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. farthest to the east
Word Usage
"Of these three the easternmost was the site of the Nest itself, a long low thatched building of wood, in front and to the west of which there was an open space or courtyard, with a hard floor."