Definition of British Expeditionary Force in English:

British Expeditionary Force

proper noun

(also BEF)
  • A British force made available by the army reform of 1908 for service overseas against foreign countries. Such forces were sent to France at the outbreak of both world wars.

Pronunciation

British Expeditionary Force

/ˈbridiSH ˌekspəˈdiSHəˌnerē fôrs/ /ˈbrɪdɪʃ ˌɛkspəˈdɪʃəˌnɛri fɔrs/