Definify.com
Webster 1913 Edition
Owling
Owl′ing
,Noun.
[From ]
Owl
, Verb.
I.
(O. Eng. Law)
The offense of transporting wool or sheep out of England contrary to the statute formerly existing.
Blackstone.
Webster 1828 Edition
Owling
OWL'ING
,Noun.
[This explanation of owling favors the derivation of the word from wool.]