Wiktionary
detraining
vb. (present participle of detrain English)
Usage examples of "detraining".
His heavy artillery and some of his infantry were still detraining from the journey that had brought them the long way around from the Gumbinnen front and had not yet come up.
Fearing that the Sixth Army’s detraining area was about to be overrun, Joffre, in a desperate effort to gain time for it to come into position, ordered the Fifth Army to turn and counterattack.
Maunoury, when almost defeated by Kluck, was reinforced by the IVth Corps, of whom 6,000 detraining in Paris were rushed to the front by Gallieni in taxis, and managed to hold his ground.