See also: tie beam

English edit

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Etymology edit

tie +‎ beam

Noun edit

tiebeam (plural tiebeams)

  1. (architecture) A beam acting as a tie, as at the bottom of a pair of principal rafters, to prevent them from thrusting out the wall.
    • 1853, Thomas Tredgold, Elementary Principles of Carpentry:
      by being connected with the strap which unites the principal and tiebeam, it cannot move from its place at the extremity

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