noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A mattress that goes atop the primary bed mattress; a supplemental mattress.
2. 2
   ;

Synonyms

All synonyms

mattress padmattress topper

Etymology

over- + mattress

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.