# draw off

idiom

Source: https://englishreference.com/idiom/draw-off
Updated: 2026-08-10

## Meaning

To remove by using a siphon.

## Examples

- You must draw off the excess water from the tank.
- The mechanic had to draw off the old oil before he could refill the engine.
- The technician carefully drew off the chemical solution into a separate container to prevent any contamination of the primary sample.

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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.