Scottish National Dictionary (1700–)
About this entry:
First published 1974 (SND Vol. IX).
STROAL, n. Also strol(e). A straggling stream of herring as a detached part of a shoal (Sh. 1904 E.D.D., 1908 Jak. (1928)); by extension: a slight covering or sprinkling as of salt or snow (Sh. c.1870 E.D.D., strole). [′stro(ə)l][Norw. dial. strål, id., a detached portion of anything.]
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"Stroal n.". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 26 Jun 2022 <http://www.dsl.ac.uk/entry/snd/stroal>