jamb definition

  • noun:
    • among a pair of straight posts or pieces that together form the edges of a door, screen frame, or fireplace, including.
    • A projecting size or columnar part.
    • The straight elements that form the edges of a door framework, window framework, or fireplace, or any other orifice in a wall.
    • The straight side of any opening, as a door or hearth; for this reason, less correctly, any slim vertical surface of wall surface, whilst the of a chimney-breast or of a pier, as distinguished from the face.
    • Any thick size of stone which prevents miners from following lode or vein.
    • See jambes.
    • A leg.
    • the medial side or cheek of a helmet or guard.
    • In architecture, a side or vertical piece of any opening or aperture in a wall, such as a door, screen, or chimney, which helps to bear the lintel or other user expense providing to sustain or discharge the superincumbent body weight regarding the wall.
    • In mining, scores of mineral or stone in a quarry or gap standing upright, plus or less distinct from neighboring or adjoining parts. In addition spelled jam.
    • upright consisting of a vertical part member of a door or window frame
  • verb-transitive:
    • See jam, v. t. & we.
  • others:
    • An obsolete spelling of jam.

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