green lung

noun

An area of natural parkland within an urban region, supposed to replenish the air with oxygen.

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Meanings

noungreen lung (plural green lungs)

plural green lungs

  1. An area of natural parkland within an urban region, supposed to replenish the air with oxygen.

    The Magaliesberg became something of a green lung to which people escaped, particularly over weekends.

    2006, Christof Mauch, Nathan Stoltzfus, Douglas R. Weiner, Shades of green: environmental activism around the globe, page 76
    1 more example

    After the Games, the Park will remain protected, serving as a green lung for the surrounding boroughs and the Olympic Village residential area.

    2007, United Nations Environment Programme, Beijing 2008 Olympic games: an environmental review, page 74
Cite this entry
APA

green lung. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/green%20lung

MLA

“green lung.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/green%20lung. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “green lung,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/green%20lung.

Source: green lung on Wiktionary, CC BY-SA 4.0.