tile

noun

1.
a flat thin rectangular slab (as of fired clay or rubber or linoleum) used to cover surfaces
tilestone
Derived from:
tile
2.
a thin flat slab of fired clay used for roofing
thacktile roofing tile
Derived from:
tile
3.
game equipment consisting of a flat thin piece marked with characters and used in board games like Mah-Jong, Scrabble, etc.
dora