noun

1. a loose mixture of pebbles and rock fragments coarser than sand, often mixed with clay, etc.
2. Med. a deposit of small concretions that form in the kidneys or gallbladder and that may be retained, passed on to the urinary bladder, or passed from the body

Etymology: ME < OFr gravelle, dim. of grave, coarse sand, seashore < or akin to Gaul *grava, stone < IE base *ghreu-, to rub hard, pulverize > grit

transitive verb graveled -·eled or gravelled -·elled, graveling -·el·ing or gravelling -·el·ling

1. to cover (a walk, driveway, etc.) with gravel
2. to embarrass or perplex
3. ☆ Informal to irritate or annoy