Table mat and Trivet

Table mat noun - A pad for use under a hot dish to protect a table.

Trivet and table mat are semantically related. In some cases you can use "Trivet" instead a noun phrase "Table mat".

Trivet noun - A stand with short feet used under a hot dish on a table.

Table mat and trivet are semantically related. Sometimes you can replace phrase "Table mat" with "Trivet", this terms are similar.