[grav.el] n [ME, fr. OF gravele, dim. of grave, greve pebbly ground, beach] (13c) 1 obs: sand
2. a: loose rounded fragments of rock b: a stratum or deposit of gravel; also: a surface covered with gravel "a ~ road"
3: a deposit of small calculous concretions in the kidneys and urinary bladder
[2]gravel vt -eled or -elled ; -el.ing or -el.ling (1543) 1: to cover or spread with gravel
2. a: perplex, confound b: irritate, nettle [3]gravel adj (1939): gravelly 2--used of the human voice