Source : Webster's Revised Unabridged Dictionary (1913)

Gravel \Grav"el\, n. [OF. gravele, akin to F. gr?ve a sandy
   shore, strand; of Celtic origin; cf. Armor. grouan gravel, W.
   gro coarse gravel, pebbles, and Skr. gr[=a]van stone.]
   1. Small stones, or fragments of stone; very small pebbles,
      often intermixed with particles of sand.

   2. (Med.) A deposit of small calculous concretions in the
      kidneys and the urinary or gall bladder; also, the disease
      of which they are a symptom.

   {Gravel powder}, a coarse gunpowder; pebble powder.

Gravel \Grav"el\, v. t. [imp. & p. p. {Graveled}or {Gravelled};
   p. pr. & vb. n. {Graveling} or {Gravelling}.]
   1. To cover with gravel; as, to gravel a walk.

   2. To run (as a ship) upon the gravel or beach; to run
      aground; to cause to stick fast in gravel or sand.

            When we were fallen into a place between two seas,
            they graveled the ship.               --Acts xxvii.
                                                  41 (Rhemish
                                                  version).

            Willam the Conqueror . . . chanced as his arrival to
            be graveled; and one of his feet stuck so fast in
            the sand that he fell to the ground.  --Camden.

   3. To check or stop; to embarrass; to perplex. [Colloq.]

            When you were graveled for lack of matter. --Shak.

            The physician was so graveled and amazed withal,
            that he had not a word more to say.   --Sir T.
                                                  North.

   4. To hurt or lame (a horse) by gravel lodged between the
      shoe and foot.

Source : WordNet®

gravel
     v 1: cause annoyance in; disturb, especially by minor
          irritations; "Mosquitoes buzzing in my ear really
          bothers me"; "It irritates me that she never closes the
          door after she leaves" [syn: {annoy}, {rag}, {get to}, {bother},
           {get at}, {irritate}, {rile}, {nark}, {nettle}, {vex},
          {chafe}, {devil}]
     2: cover with gravel; "We gravelled the driveway"
     3: be a mystery or bewildering to; "This beats me!"; "Got me--I
        don't know the answer!"; "a vexing problem"; "This
        question really stuck me" [syn: {perplex}, {vex}, {stick},
         {get}, {puzzle}, {mystify}, {baffle}, {beat}, {pose}, {bewilder},
         {flummox}, {stupefy}, {nonplus}, {amaze}, {dumbfound}]
     [also: {gravelling}, {gravelled}]

gravel
     adj : unpleasantly harsh or grating in sound; "a gravelly voice"
           [syn: {grating}, {gravelly}, {rasping}, {raspy}, {rough}]
     [also: {gravelling}, {gravelled}]

gravel
     n : rock fragments and pebbles [syn: {crushed rock}]
     [also: {gravelling}, {gravelled}]