It could be a spittoon, which is designed for chewing tobacco. https://www.kegworks.com/blog/a-lesson-in-tavern-history-the-fresh-flow-trough-spittoon https://w

It could be a spittoon, which is designed for chewing tobacco. https://www.kegworks.com/blog/a-lesson-in-tavern-history-the-fresh-flow-trough-spittoon https://www.kegworks.com/blog/a-lesson-in-tavern-history-the... But it seems like they also where used as urinals