Definition of welshing:
(adj) :
Of or pertaining to Wales.
(adj) :
Of or pertaining to the Celtic language of Wales.
(n) :
(uncountable) The Welsh language.
(n) :
(collectively, in the plural) The people of Wales.
(adj) :
Designating plants or animals from or associated with Wales.
(n) :
A breed of pig, kept mainly for bacon.