Definition of jamb in English:


Syllabification: jamb


  • 1A side post or surface of a doorway, window, or fireplace.
    More example sentences
    • Salvaged doors and windows housed in new jambs set up contrasts between new and old.
    • The widths of original door and window jambs were calculated to fit the existing wall, and the addition of the new paneling makes the wall thicker by 1/4 ‘or more.’
    • Extend window and door jambs as needed so they will be flush with the face of the new paneling.
  • 1.1A columnar mass or pillar in a mine or quarry.


Middle English: from Old French jambe 'leg, vertical support', based on Greek kampē 'joint'.

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