Word.ws English Dictionary

erw

/ˈɛɹuː/

erw noun: a medieval Welsh unit of surface area equal to 11664 sq ft, or about ¼ acre.

Noun (1)

erw (plural erws or erwau)

  1. (historical) A medieval Welsh unit of surface area equal to 11664 sq ft, or about ¼ acre.
    Synonyms:
    Welsh acre

Noun (2) capitalized: ERW

ERW (plural ERWs)

  1. (abbreviation, initialism) Initialism of enhanced-radiation weapon (“neutron bomb”).
  2. (abbreviation, acronym) Acronym of explosive remnant of war.

Synonyms of erw

Forms of erw

pluralerws
pluralerwau
pluralERWs

Origin of erw

Borrowed from Welsh erw.

Questions about erw

What does erw mean?
Erw means a medieval Welsh unit of surface area equal to 11664 sq ft, or about ¼ acre.
What part of speech is erw?
Erw is a noun.
How do you pronounce erw?
Erw is pronounced /ˈɛɹuː/.
What is the plural of erw?
The plural of erw is erws.

Words near erw in the dictionary

  1. Erving
  2. Ervings
  3. Ervins
  4. Ervipiame
  5. ERVs
  6. erw
  7. erwau
  8. Erway
  9. Erways
  10. Erwin
  11. erwiniocin

Source and license

Adapted from Wiktionary: erw (page history and authors); ERW (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.

Last updated:

Cite this entry: “erw.” Word.ws, https://word.ws/erw. Based on Wiktionary, CC BY-SA 4.0.