Scottish National Dictionary (1700–)
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First published 1952 (SND Vol. III).
This entry has not been updated since then but may contain minor corrections and revisions.
DAG, n.4 “A nail to hang a coat on” (Kcb.10 1940).
[The same word as Eng. dag, a pointed piece of metal, a pin or bolt (N.E.D.), from Fr. dague, a dagger.]
