tile

1 plural tiles or tile a :  a flat or curved piece of fired clay, stone, or concrete used especially for roofs, floors, or walls and often for ornamental workb :  a hollow or a semicircular and open earthenware or concrete piece used in constructing a drainc :  a hollow building unit made of fired clay or of shale or gypsum

2 :  tiling

3 :  a thin piece of resilient material (such as cork, linoleum, or rubber) used especially for covering floors or walls

4 :  a thin piece resembling a ceramic tile that usually bears a mark or letter and is used as a playing piece in a board game (such as mah-jongg)

5 :  hat; especially :  a high silk hat