The Collaborative International Dictionary
Vifda
Vifda \Vif"da\, n.
In the Orkney and Shetland Islands, beef and mutton hung and
dried, but not salted. [Scot.] [Written also vivda.]
--Jamieson.
Wiktionary
vifda
n. (context Shetland Orkney English) beef and mutton hung and dried, but not salted.