What is the meaning of Jamb?

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.

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

Synonym of jambeau (“piece of armor for the leg”).

To fix or attach a jamb to.

iamb

iamb (metrical foot in verse consisting of an unstressed syllable followed by a stressed syllable)

iamb

iamb

Source: wiktionary.org