Meaning of erw | Babel Free

Definitions

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

CEFR level