breastheight

English

Etymology

breast +‎ height

Noun

breastheight (uncountable)

  1. (botany, forestry) The typical height above ground of an adult's breast, used as a reference height for measuring the diameters of trees.
    • 1949, U.S. Department of Agriculture, Technical Bulletin (issue 201, page 38)
      Age class 60, Site III, has […] 630 trees 12 inches or more in diameter at breastheight.
    • 1910, Henry Solon Graves, The Woodsman's Handbook (page 76)
      When there is a bulge or other normal swelling at breastheight, the measurement should be taken just above and not below the obstructions.
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