Erw

//ˈɛɹuː// noun

Definitions

Noun
  1. 1
    A medieval Welsh unit of surface area equal to 11664 sq ft, or about ¼ acre. historical
  2. 2
    Initialism of enhanced-radiation weapon (“neutron bomb”). abbreviation, alt-of, initialism
  3. 3
    Acronym of explosive remnant of war. abbreviation, acronym, alt-of

Etymology

Borrowed from Welsh erw.

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