The noun can has 6 senses (first 1 from tagged texts)
1. (3) can, tin, tin can -- (airtight sealed metal container for food or drink or paint etc.)
2. can, canful -- (the quantity contained in a can)
3. can, can buoy -- (a buoy with a round bottom and conical top)
4. buttocks, nates, arse, butt, backside, bum, buns, can, fundament, hindquarters, hind end, keister, posterior, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass -- (the fleshy part of the human body that you sit on; "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?")
5. toilet, can, commode, crapper, pot, potty, stool, throne -- (a plumbing fixture for defecation and urination)
6. toilet, lavatory, lav, can, john, privy, bathroom -- (a room or building equipped with one or more toilets)
Overview of verb can
The verb can has 2 senses (first 2 from tagged texts)
1. (2) can, tin, put up -- (preserve in a can or tin; "tinned foods are not very tasty")
2. (1) fire, give notice, can, dismiss, give the axe, send away, sack, force out, give the sack, terminate -- (terminate the employment of; "The boss fired his secretary today"; "The company terminated 25% of its workers")