Scottish National Dictionary (1700–)
About this entry:
First published 1956 (SND Vol. IV).
FLAPPER-BAGS, n.comb.pl. 1. The butter bur, Petasites vulgaris (Dmf. 1897 Trans. Dmf. and Gall. Antiq. Soc. 148). Cf. Flatter-bags; 2. The burdock, Arctium lappa (Dmf. 1869 Athenæum (13 March) 382, 1899 J. Shaw Country Schoolmaster (ed. Wallace) 347).[So called from the appearance of the plant. The meaning under 2. is doubtful. The whole evidence for the word seems to originate in Shaw who may have confused the Eng. names for Petasites.]
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"Flapper-bags n. comb.". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 24 Sep 2022 <http://www.dsl.ac.uk/entry/snd/flapperbags>