jamb

/dʒæm/

IPA: /JH AE1 M/

noun
  1. 1

    (interior decorating) Either of the vertical components that form the side of an opening in a wall, such as that of a door frame, window frame, or fireplace.

  2. 2

    Any thick mass of rock that prevents miners from following the lode or vein.

verb
  1. 1

    To fix or attach a jamb to.

Source: https://en.wiktionary.org/wiki/jamb