Green’s Dictionary of Slang

havil n.

[ety. unknown; dial. havil, a small crab]

(UK Und.) a sheep.

[UK]Hell Upon Earth 5: Havil, a Sheep.
[UK]J. Hall Memoirs (1714) 12: Havil, a Sheep.
[UK]Grose Classical Dict. of the Vulgar Tongue ms. additions .
[UK]Grose Classical Dict. of the Vulgar Tongue (2nd, 3rd edn).
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[US]Matsell Vocabulum.