sick-wagon

noun3

1. •
   (historical) a covered wagon used to convey or transport those who are sick in a wagon train

   • The sick-wagon appeared only a silver dot in the crimsoning distance. Except for her son, the black woman was along in the wagon. — 2010
2. •
   (old-fashioned) a vehicle used to convey or transport those who are sick or injured
3. •
   (nonstandard, rare) a (modern) ambulance

   • They operated a carrying service from “sick wagon” to “hospital” for those patients with infected feet who could not stand and for those who were too weak to walk. — 1945