Source : Webster's Revised Unabridged Dictionary (1913)

Gravelly \Grav"el*ly\, a.
   Abounding with gravel; consisting of gravel; as, a gravelly
   soil.

Source : WordNet®

gravelly
     adj 1: abounding in small stones; "landed at a shingly little
            beach" [syn: {pebbly}, {shingly}]
     2: unpleasantly harsh or grating in sound; "a gravelly voice"
        [syn: {grating}, {gravel}, {rasping}, {raspy}, {rough}]