UNDERLAYMENT

Pronunciation (US): (GB):

Meaning:

A pad placed under a carpet

Synonyms:

carpet pad; rug pad; underlay; underlayment

Classified under:

Nouns denoting man-made objects

Hypernyms ("underlayment" is a kind of...):

pad (a flat mass of soft material used for protection, stuffing, or comfort)

Hyponyms (each of the following is a kind of "underlayment"):

underfelt (a carpet pad of thick felt)

Derivation:

underlay (put (something) under or beneath)