underlayment
1. [ noun ] a pad placed under a carpet
Synonyms: rug_pad underlay carpet_pad
Related terms: pad underfelt underlay
Similar spelling:   underpayment
  undergarment
  understatement
  underplay
  underframe
  underspent
  undermentioned
  undercurrent
  undersurface
  underline
  under_way
  understate
  underbelly
  undervalue
  undercoat
  undercharge
  under_wraps
  undervaluation
  underpart
  underneath
  underfelt