Definify.com
Webster 1913 Edition
Washy
1. 
Watery; damp; soft. 
“Washy ooze.” Milton.
 2. 
Lacking substance or strength; weak; thin; dilute; feeble; 
as, 
. washy 
tea; washy 
resolutions A polish . . . not over thin and 
washy
. Sir H. Wotton.
3. 
Not firm or hardy; liable to sweat profusely with labor; 
as, a 
. washy 
horse[Local, U. S.] 
Webster 1828 Edition
Washy
WASHY
,Adj.
 1.
 Watery; damp; soft; as the washy ooze.2.
 Weak; not solid.3.
 Weak; not firm or hardy; liable to sweat profusely with labor; as a washy horse. [New England.]