
Spittoon
Historical Object
Spittoons were more common in the past, so they often appear in historical settings, like old Western movies. 
Cultural Relic
Spittoons are rarely used today, but they can be found as antiques or decorations, especially in themed establishments. 
Taboo Subject
Talking about spit can be considered rude or unpleasant; spittoons remind people of spitting, which is a socially sensitive topic. 