Scottish National Dictionary (1700–)
†GROATUM, n. A heavy, sweet ale.
Hdg. 1883 J. Martin Reminisc. Old. Hdg. 38:
“Groatum,” so called from being sold at a groat per pint, was heavy and sweet, and was in general use.
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"Groatum n.". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 20 Aug 2018 <http://www.dsl.ac.uk/entry/snd/groatum>
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