- A portable bed supported by trestles, as used in a military camp, hospital etc.
1919, Lucy Maud Montgomery, Rainbow Valley:
- You know that little trestle bed in the garret room, with the old mattress on it that the last minister left there?
1928, Nan Shepherd, The Quarry Wood:
- She had long since ceased to share a bed with her, allowing Madge and Flossie the one respectable bed the room contained, and sleeping herself on a rackety trestle-bed underneath the window.