Scottish National Dictionary (1700–)
About this entry:
First published 1941 (SND Vol. II).
CAVACK, CAVAG, n. A flock of gulls or other sea-fowl calling and diving over a shoal of herring (Arg. 1936 L. M'Innes Dial. S. Kintyre 10, cavag).Arg.1 1929:
There were three big cavacks off Whitehouse and the gannets were striking fine inshore.
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"Cavack n.". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 6 Oct 2022 <http://www.dsl.ac.uk/entry/snd/cavack>