Splinter
/ˈsplɪntər/
Definition 1 of 3
Pro Tip 1/3Physical Sensation
The word often implies a sharp pain when the splinter enters the skin. 
She winced as the splinter pricked her palm.
Pro Tip 2/3Common Occurrences
Splinters are often associated with wooden objects like furniture or decking. 
Be careful of the old bench; you might get a splinter.
Pro Tip 3/3Removal
People often use tweezers to carefully remove a splinter from the skin. 
She used a needle and tweezers to remove the splinter from her foot.