The Collaborative International Dictionary of English v.0.48:

Pebble \Peb"ble\, v. t. [imp. & p. p. Pebbled; p. pr. & vb. n.
   Pebbling.]
   To grain (leather) so as to produce a surface covered with
   small rounded prominences.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pebbled \Peb"bled\, a.
   Abounding in pebbles. --Thomson.
   [1913 Webster]