vernal pool

English

Etymology

From vernal (occurring in spring) +‎ pool.

Noun

vernal pool (plural vernal pools)

  1. A temporary pool that occurs seasonally in places with poor drainage, often with the onset of spring rains.
    • 1992, Allan A. Schoenherr, A Natural History of California, page 526:
      The report Sliding toward Extinction indicated that 66%, or nearly 2.8 million acres (1,131,000 ha), of Central Valley vernal pools has been lost.

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