1. noun /ˈspɑːkl,ˈspɑɹkl/
the sparkle of a diamond.
b) Brilliance; luster
2. verb /ˈspɑːkl,ˈspɑɹkl/
a) To emit sparks; to throw off ignited or incandescent particles; to shine as if throwing off sparks; to emit flashes of light; to scintillate; to twinkle; as, the blazing wood sparkles; the stars sparkle.
b) To manifest itself by, or as if by, emitting sparks; to glisten; to flash.
Wikipedia foundation.