Used in construction contexts, 'joist' is technical and may not be understood outside this field.

Construction Talk

'Joist' usually refers to one of several horizontal supports in building structures.

Part of Structures

Joists are not typically visible once a building is completed, as they are covered by flooring or ceiling materials.

'To joist' is an action in construction, meaning to install the joists in a structure.

Joisting is usually one of the initial steps in creating a building's framework.

The verb form is more specialized and might not be used in everyday conversation.