draw blood

idiom

: to take blood from a person's body for medical reasons

We need to draw some blood to test you for the virus.

: to cause blood to flow from a person's body

The punch to the nose drew blood.

—sometimes used figuratively to suggest intensity or aggressiveness

Some politicians view debates as chances to draw blood from their opponents.

Examples of draw blood in a Sentence

Recent Examples on the Web The breakthrough could revolutionize biomedical research and, should it be successfully tested in humans, have wide-ranging applications in medicine and health care, such as making veins more visible to draw blood. —

Katie Hunt, CNN, 5 Sep. 2024 Plasmapheresis involves inserting a needle or catheter into a vein in your arm or some other location to draw blood. —

Suchandrima Bhowmik, Health, 8 Aug. 2024 Investigators could not draw blood from Lewis that morning because he was badly injured and needed to be flown out immediately to a Miami-Dade County hospital for treatment. —

David Goodhue, Miami Herald, 12 July 2024 Ticks can attach to your skin and draw blood, possibly spreading diseases. —

Maria Masters, Health, 9 June 2024 See all Example Sentences for draw blood

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'draw blood.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.