subs. (old nautical).—The teeth. For synonyms, see GRINDERS.
1785. GROSE, A Classical Dictionary of the Vulgar Tongue, s.v.
1853. REV. E. BRADLEY (‘Cuthbert Bede’), The Adventures of Mr. Verdant Green, an Oxford Freshman, Pt. II., ch. iv. He had agreeable remarks for each of his opponents … to another he would cheerfully remark, ‘Your HEAD-RAILS were loosened there, was n’t they?’
