Wiktionary
trestle bed
n. A portable bed supported by trestles, as used in a military camp, hospital etc.
Usage examples of "trestle bed".
Whether or not he slept in the bed or on the trestle bed in the tepee was up to him.
The trestle bed that she lay upon was wide and low, being raised only a foot from the ground by two logs which supported the long planks.