Meaning of PEBBLE in English
vt to grain (leather) so as to produce a surface covered with small rounded prominences.
2. pebble ·noun transparent and colorless rock crystal; as, brazilian pebble;
so called by opticians.
3. pebble ·noun a small roundish stone or bowlder; especially, a stone worn and rounded by the action of water; a pebblestone.
Webster English vocab. Английский словарь Webster. 2012