Pebble
From BiblePortal Wikipedia
Pebble [1]
(1): ( n.) Transparent and colorless rock crystal; as, Brazilian pebble; - so called by opticians.
(2): ( n.) A small roundish stone or bowlder; especially, a stone worn and rounded by the action of water; a pebblestone.
(3): ( v. t.) To grain (leather) so as to produce a surface covered with small rounded prominences.
