A small, thin, sharp piece of wood, glass, or similar material broken off from a larger piece. (Oxford Dictionaries)
Break or cause to break into small sharp fragments. (Oxford Dictionaries)
(of a group or organisation) separate into smaller units, typically as a result of disagreement. (Oxford Dictionaries)
A small, sharp, broken piece of wood, glass, plastic, or similar material: (Cambridge Dictionary)
A small needle like particle. (Merriam – Webster)
A group or faction broken away from a parent body. (Merriam – Webster)
9 DIY Ways to Painlessly Remove Splinters from your Skin.
How to remove a splinter.