D defs.my
Entry 1 sense Webster, 1913

Marching

/märʹchĭng/ · March·ing · IPA /ˈmɑɹt͡ʃɪŋ/
01 a. & n. a. & n., fr. March, v.
  1. 1.
    a. & n., fr. March, v. See: March
Phrases & compounds
Marching money — the additional pay of officer or soldier when his regiment is marching.
In marching order — equipped for a march.
Marching regiment — A regiment in active service