bat·man 
(bătmən)
(bătmən)n.
A British military officer's orderly.
[Obsolete bat, packsaddle (from French bât, from Old French bast, from Late Latin bastum) + MAN.]
- autoantibody
- autoantigen
- autobahn
- autobiographer
- autobiographic
- autobiographical
- autobiographically
- autobiography
- autobus
- autocatalysis
- autocatalytic
- autocatalytically
- autocatalytic plating
- autocephalous
- autocephaly
- autochthon
- autochthonal
- autochthonic
- autochthonism
- autochthonous
- autochthonously
- autochthony
- autoclave
- autocoid
- autocoid