noun a rough, prickly seed case or fruit that clings to fur or clothing
verb to make a whirring noise like that of a burr
In medicine, burr may refer to a tool used for drilling holes in bones during surgery.
In engineering, a burr is a rough edge or ridge left on metal after cutting or drilling.
A burr is a prickly seed pod or fruit that attaches itself to animals or clothing for dispersal.
In zoology, a burr can refer to a rough protuberance on an animal's body, such as a burr on a deer's antlers.
In textiles, a burr refers to a rough, prickly seed or knot in wool or other fibers.
In writing, 'burr' can be used to describe a rough or prickly texture, such as 'the burr of the fabric added depth to the description.'
Psychologists may use 'burr' metaphorically to describe a persistent or nagging thought or feeling that is difficult to shake off, for example, 'the burr of anxiety that plagued the patient.'
Botanists may use 'burr' to refer to a prickly seed case or fruit covering, as in 'the burrs of the plant were dispersed by animals.'
Engineers may use 'burr' to describe a rough edge or ridge left on a metal surface after cutting or drilling, for instance, 'remove any burrs from the metal before assembly.'