chair mat
chair mat · chair mats
A sheet of durable smooth material that is placed on a floor space occupied by a chair…A sheet of durable smooth material that is placed on a floor space occupied by a chair (typically one equipped with casters) to prevent undue wear.
Meaning
1 sensesA sheet of durable smooth material that is placed on a floor space occupied by a chair (typically one equipped with casters) to prevent undue wear.