The History of the American Expedition Fighting the Bolsheviki

by Joel R. Moore and Harry H. Mead and Lewis E. Jahns

Here are the definitions of several unfamiliar (to me) words.

batmen: Soldier assigned to an officer as a servant.

batushka: Village priest.

drosky: Cart

felcher: Second-rate medical student or anyone with some medical knowledge.

hors de combat: Out of the fight; disabled; not able to fight.