QUICKSAND

Source: 566, 567

quicksand. Quicksand, n. a sinking or shaking sand

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Quick″sand′ (?), n. Sand easily moved or readily yielding to pressure; especially, a deep mass of loose or moving sand mixed with water, sometimes found at the mouth of a river or along some coasts, and very dangerous, from the difficulty of extricating a person who begins sinking into it. Life hath quicksands, — Life hath snares! Longfellow.