Word.ws English Dictionary

underbed

underbed noun: an underlying base that supports a bed or foundation.

Noun

underbed (plural underbeds)

  1. An underlying base that supports a bed or foundation.
    • It has an underbed of slate and a cover of hard shales which contains seams of sandstone and form a bluff.1886, Geological Survey of Alabama, Special Report (issue 1, page 182)
    • An underbed is necessary in unbonded cementitious installations and may be required in some bonded ones.2011, H. Leslie Simmons, Olin's Construction: Principles, Materials, and Methods, page 771

Forms of underbed

pluralunderbeds

Origin of underbed

From under- + bed.

Questions about underbed

What does underbed mean?
Underbed means an underlying base that supports a bed or foundation.
What part of speech is underbed?
Underbed is a noun.
What is the plural of underbed?
The plural of underbed is underbeds.

Words near underbed in the dictionary

  1. underbears
  2. underbeat
  3. underbeaten
  4. underbeating
  5. underbeats
  6. underbed
  7. underbeds
  8. underbellied
  9. underbellies
  10. underbelly
  11. underbet

Source and license

Adapted from Wiktionary: underbed (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-underbed.wav.

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