Definition from Wiktionary, the free dictionary
quag (plural quags)
- (obsolete) quagmire; marsh; bog.
1771 December 16, Walker, John, Account of the Irruption of Solway Moss:
- If a person ventures on one of these quags, it bends in waves under his feet; and if the surface breaks, he is in danger of sinking to the bottom.
1784, Cowper, William, Tirocinium; or, a Review of Schools:
- Crooked or straight, through quags or thorny dells