Scottish National Dictionary (1700–)
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First published 1974 (SND Vol. IX).
This entry has not been updated but may contain minor corrections and revisions.
¶STRUG, n.2 The length of the shooting-range in marbles.Edb. 1910 Scotsman (6 Sept.):
In phr. “short and long strugs,” i.e. from one to three yards.
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"Strug n.2". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 5 Feb 2023 <http://www.dsl.ac.uk/entry/snd/strug_n2>