E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Goodmans Croft.
A strip of ground or corner of a field formerly left untilled, in Scotland, in the belief that unless some such place were left, the spirit of evil would damage the crop.
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Scotchmen still living remember the corner of a field being left for the goodmans croft.Tylor: Primitive Culture, ii. 370.