Piggin

·noun A small wooden pail or tub with an upright stave for a handle, — often used as a dipper.

piggin
1) a little pail or tub, with an erect handle. N. 2) of the nature of a can, holding about a pint. ...

A glossary of provincial and local words used in England by Francis Grose
piggin
A little pail having a long stave for a handle; used to bale water out of a boat. ...

The Sailor's Word-Book