Rare/archaic spelling variant of the verb “jam”; still attested in historical and technical texts.
Definitions
To wedge, crush, or block, especially by pressure; to jam. He accidentally jambed his finger in the heavy toolbox lid.
Used only attributively (non-gradable) to qualify nouns related to a doorway, window, fireplace, or similar opening.
Definitions
Relating to or situated on a doorway, window, or fireplace jamb. The carpenter installed a jamb extension to cover the extra wall thickness.