subs. (old).—See quots.
c. 1696. B. E., A New Dictionary of the Canting Crew, s.v. MACKAREL-BACK, a very tall, lank Person.
1725. A New Canting Dictionary, s.v.
1785. GROSE, A Classical Dictionary of the Vulgar Tongue, s.v. MACKEREL-BACKED, long backed.
