Scottish National Dictionary (1700–)
About this entry:
First published 1956 (SND Vol. IV).
FAG, n.1 A sheep-tick (w.Sc. 1825 Jam., Ayr.9 1950). Also in Lin. dial.Arg. 1798 J. Smith Agric. Arg. 254:
Fags, or kades, are destroyed by a mixture of soap and mercury.Sc. 1802 A. Campbell Journey from Edb. I. 227:
The scab, fags, or kades, . . . and other local diseases incident to sheep, are treated variously, but with very little success.
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"Fag n.1". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 6 Oct 2022 <http://www.dsl.ac.uk/entry/snd/fag_n1>