Scottish National Dictionary (1700–)
About this entry:
First published 1952 (SND Vol. III). Includes material from the 1976 supplement.
COULART, n. A boy's marble (Wgt. 1921 in Glasgow Herald (7 Dec.) 10).[A boy's spelling of colourt, Eng. coloured, from its variegated pattern.]
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"Coulart n.". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 15 Aug 2022 <http://www.dsl.ac.uk/entry/snd/coulart>