What is the meaning of can?

noun

• Airtight sealed metal container for food or drink or paint etc..
  • synonyms: tin, tin can
• The quantity contained in a can.
  • synonyms: canful
• A buoy with a round bottom and conical top.
  • synonyms: can buoy
• The fleshy part of the human body that you sit on.
  • usage: "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing"
  • synonyms: buttocks, nates, arse, butt, backside, bum, buns, fundament, hindquarters, hind end, keister, posterior, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass
• A plumbing fixture for defecation and urination.
  • synonyms: toilet, commode, crapper, pot, potty, stool, throne
• A room or building equipped with one or more toilets.
  • synonyms: toilet, lavatory, lav, john, privy, bathroom

verb

• Preserve in a can or tin.
  • usage: "tinned foods are not very tasty"
  • synonyms: tin, put up
• Terminate the employment of; discharge from an office or position.
  • usage: "The boss fired his secretary today"; "The company terminated 25% of its workers"
  • synonyms: displace, fire, give notice, dismiss, give the axe, send away, sack, force out, give the sack, terminate