(nautical) a truncated conical buoy, normally painted red and white, and numbered with even numbers, used to show the port side of a channel; the starboard side is marked with a conical buoy

(baseball) An easily caught fly ball.

(US, military) A galvanized trash can. / (historical, slang) A shell fired by the German Army in World War I.

A container, usually cylindrical, made out of sheet metal coated with tin, or (by extension) aluminum. / (nautical, slang) A destroyer. / (slang) An inexpensive car. / (slang) A motor home or trailer.

(games) A children's game similar to hide and seek, with the addition of a target such as a flag.

(slang, boxing, derogatory) An inferior fighter in the sport of boxing. The insinuation is that an up-and-coming fighter takes on a "tomato can" to burnish his reputation and record.

(informal) I cannot do it.

A device used to open tin cans, usually by slicing the lid off. / (roller derby) A shoulder hit to the chest, usually accomplished while moving from a crouched to a standing position.

A pressurized canister that ejects its contents from a nozzle when a button is pressed; used for paint, cosmetics, lubricants, insecticide etc.

A lightweight metallic can containing beer.