or moo-heater, subs. (old).—See quot.

1

  c. 1696.  B. E., A New Dictionary of the Canting Crew, s.v.

2

  1811.  GROSE and CLARKE, Lexicon Balatronicum, s.v. MOW HEATER. A drover: from their frequent sleeping on hay mows. Cant.

3

  1870.  All the Year Round, 5 March. ‘Bye-gone Cant,’ s.v.

4