Étymologie

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(XIXe siècle) Composé de railway et de gun.

Locution nominale

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Singulier Pluriel
railway gun
\ɹeɪl.weɪ ɡʌn\
railway guns
\ɹeɪl.weɪ ɡʌnz\

railway gun \ɹeɪl.weɪ ɡʌn\

  1. (Chemin de fer) ALVF, canon sur rails.