burr

B2 · Upper Intermediate Countable noun

n. a seed container from a plant that has hooks or prickles so it can stick to fur or clothes.

n. a rough, prickly husk or case surrounding the seeds of certain plants, adapted for dispersal by clinging to passing animals.

“After the walk in the woods, my dog's fur was covered in tiny green burrs.”

“The hiker spent nearly an hour picking burrs out of his wool socks after straying from the marked forest path.”

C1 · Advanced Countable noun Dialect · British English

n. a rough way of pronouncing the letter 'r', often heard in certain regional accents.

n. a trilled or uvular pronunciation of the letter 'r', traditionally associated with certain Northern English or Scottish dialects.

“The old man spoke with a thick Scottish burr that was hard for tourists to understand.”

“His speech was marked by a distinctive Northumbrian burr, a phonetic trait that immediately identified his regional origins to the linguist.”

C1 · Advanced Countable noun Engineering Technical

n. a small, spinning tool with a rough surface used for grinding or shaping hard materials.

n. a rotary grinding or cutting tool, often used in dentistry or precision engineering to remove small amounts of material.

“The dentist selected a fine diamond burr to smooth the surface of the new filling.”

“The machinist used a tungsten carbide burr to deburr the internal edges of the cast iron housing.”

C2 · Proficiency Literary

v. to make a low, rough, continuous humming noise.

v. to produce a low, continuous, vibrating or humming sound.

“The old refrigerator began to burr loudly in the quiet kitchen.”

“In the distance, the heavy machinery continued to burr, creating a constant mechanical drone that echoed through the valley.”