mail bag

plural mail bags

1. alternativeAlternative form of mailbag.

   The transfer by tender of some 1,300 mail bags was effected smartly, and the "Ocean Mails Special" train was ready at 9.19 a.m.

   1944 July and August, Charles E. Lee, “The "City of Truro"”, in Railway Magazine, page 202

   1 more example

   There is an hour or two, after the passengers have embarked, which is disquieting and fussy. Mail bags, so I understand, are being put on board. Stewards, carrying cabin trunks, swarm in the corridors. Passengers wander restlessly about or hurry, with futile energy, from place to place.

   1915, G[eorge] A. Birmingham [pseudonym; James Owen Hannay], chapter I, in Gossamer, New York, N.Y.: George H. Doran Company, →OCLC