# binder

/ˈbaɪndɝ/ (US) · /bˈaɪndɐ/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/binder
Updated: 2026-05-04

## Definition

a person or thing that holds other people or things together. You use it for a book folder, a glue, or a leader who keeps a group united.

For teachers: an agent or substance that binds, holds together, or unites separate elements. In computing, it refers to a program that links compiled code; in law, a document that secures an obligation.

## Examples

- She put her notes in a plastic binder.
- The project manager acted as a binder, keeping the design and engineering teams aligned on the deadline.
- The legal binder secured the transaction terms, ensuring that both parties remained committed to the sale until the final closing date.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.