Definition of water fir in English:

water fir

noun

  • (In early use) a fir tree, or a plant likened to a fir, growing in or near water; (now) specifically either of two deciduous coniferous trees found in parts of China, Glyptostrobus pensilis and the metasequoia, Metasequoia glyptostroboides.

Origin

Mid 19th century; earliest use found in George Don (1798–1856), botanist and plant collector.