/wet"land'/, n.
Often, wetlands. land that has a wet and spongy soil, as a marsh, swamp, or bog.
[1770-80; WET + -LAND]

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      terrestrial ecosystem characterized by poor drainage and the consequent presence most or all of the time of sluggishly moving or standing water saturating the soil. Wetlands are usually classified, according to soil and plant life, as bog, marsh, or swamp (qq.v.). Because wetlands occur at the interface of a body of water and the land, they are examples of boundary ecosystems.

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Universalium. 2010.

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