Verb

1. preserve in a can or tin
2. terminate the employment of

Noun

1. airtight sealed metal container for food or drink or paint etc.
2. a room or building equipped with one or more toilets
3. a plumbing fixture for defecation and urination
4. the fleshy part of the human body that you sit on
5. a buoy with a round bottom and conical top
6. the quantity contained in a can