매트

1. sleeping mat; mattress
A pad used on a bed, which is thick and soft as it is filled with springs, sponge, etc.

2. mat; gym mat
A piece of material spread on the floor in order to prevent any danger in gymnastic sports.

3. mat; doormat
A piece of material placed at the entrance or in front of the door in order to wipe sand, dust, water, etc., off of one's shoes or feet.

4. mat
A piece of material spread on the floor or in a room.