Scottish National Dictionary (1700–)
About this entry:
First published 1941 (SND Vol. II).
BROKEN-FOR-NEB, adj.phr. Used “of an egg which is chipped by the beak of the chicken within just prior to coming out or being hatched” (Ork. 1929 Marw.).
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"Broken-for-neb adj. phr.". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 21 May 2022 <http://www.dsl.ac.uk/entry/snd/brokenforneb>