D defs.my
Entry 1 sense Webster, 1913

Arriere-ban

· Ar·riere·-ban · IPA
01 n. A proclamation, as of the French kings, calling not only their immediate feudatories, but the vassals of these feudatories, to take the fie…
  1. 1.
    A proclamation, as of the French kings, calling not only their immediate feudatories, but the vassals of these feudatories, to take the field for war; also, the body of vassals called or liable to be called to arms, as in ancient France.