1. a person or device that inserts something into something else
Usage: commonly used in manufacturing and printing contexts
2. in printing, a folded sheet or signature inserted into another during binding
Usage: technical term used in bookbinding and publishing

Examples

• The insetter carefully placed each component into the assembly line.
• The machine functioned as an automatic insetter for envelope stuffing.
• In bookbinding, the insetter positioned the folded pages within the cover.
• The factory hired additional insetters to meet production deadlines.
• The insetter adjusted the settings to accommodate different paper sizes.