Scottish National Dictionary (1700–)
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First published 1960 (SND Vol. V).
This entry has not been updated but may contain minor corrections and revisions.
HARDHORN, adv. Tightly, firmly. Cf. Hard, III. and Horn, I. 1. (3).Sc. 1761 Haliburton & Hepburn Magopico 36–7:
His principle exercises are to bolt upright, every now and then, with his eyes shut hardhorn, then lean down again upon the pulpit, and seem to fall into a slumber, with an arm extended on each side of the book.
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