Two or more rows of something arranged in an ascending order: "We sat on the second tier of chairs in the auditorium to watch the concert."

To arrange objects in rows of ascending order: "The shop keeper planned to tier the bottles of olive oil according to size of the bottle."

To become worn out or at a loss of energy: "I am sure that swimming will tire me out before I quit and go home."

The hoop of rubber and fabric that covers the air filled rubber inner tube which is part of the wheel structure for a vehicle: "We had a flat tire because I accidentally drove over a nail in the roadway."

A port in southern Lebanon on the Mediterranean Sea which figures heavily in ancient Phoenician history: "Fabulous wealth in silk and other fabrics passed through the Phoenician port of Tyre according to ancient history."