insert
n. countablen. a small object or piece of material that you put inside something else. It is often used for things like paper ads in a magazine or a small part added to a machine.
n. an item or component placed or intended for placement within another object. Often used to describe supplementary printed material in a publication or a specific shot added to a film sequence.
The magazine comes with a colorful fashion insert.
The technician replaced the plastic insert in the machine to stop the vibration.
While the main article provides a broad overview of the era, the historical insert offers a detailed look at the specific laws passed during that decade.
From Latin insertus, past participle of inserō, from in- + serō (“join, bind together, connect, entwine, interweave”), ultimately from Proto-Indo-European *ser- (“to bind, put together, to line up”). Compare exsert.
Commonly used in technical and publishing contexts to refer to a removable or added part.