noun

jamb

/dʒæm/ · say it: jam

the vertical side post of a doorway or window

In Architecture & Design

In more detail

1. (noun) the vertical piece of wood or stone that forms the side of a doorway, window, or other opening

Examples

1. She leaned against the door jamb while waiting for him to answer.

How to use jamb

A jamb is a structural element in architecture, referring specifically to one of the two vertical sides of an opening. It is used in both professional building contexts and everyday language when discussing doors and windows. The term is neutral and objective, with no emotional or stylistic connotation.

Common phrases

door jamb
window jamb
wooden jamb
stone jamb
jamb of the door

Synonyms

doorpost · post · upright · frame

Word family

jambs (plural)

A common mistake

Learners sometimes confuse jamb with jambe (an archaic term for a leg in heraldry) or misspell it as 'jambe' in modern architectural contexts.

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