# lasso

/ˈɫæsoʊ/ (US) · /læsˈuː/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/lasso
Updated: 2026-05-28

## Definition

a tool in a computer program that lets you click and drag to select a specific area or object. It is often used in editing photos or videos.

For teachers: a selection tool in digital software that allows the user to draw a loop or shape to isolate a specific region of an image or video. Often used in graphic design and video editing interfaces.

## Examples

- Use the lasso tool to select the person in the photo.
- The designer used a lasso to isolate the background from the foreground in the high-resolution image.
- While the rectangular marquee tool is faster for simple shapes, the lasso provides the precision required for complex selections along irregular edges or hairlines.

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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.