noun
prong
PRAWNG/prɔːŋ/
A projecting pointed branch of a larger object.
One prong of the fork pierces a small green pea.

Etymology
Latin pronga named a pointed tool, but its earlier origin is unknown. English extended the idea of a sharp point to each separate pointed division of a fork.
In context
this is a red light that actually has a prong that goes up your nose
More examples
- The plug has three metal prongs.
- A bent prong on her ring leaves the diamond loose.
- The plan has two prongs: cutting costs and improving service.
Forms
prong · prongs
Similar words
- tine
- Usually a slender point on a fork or rake.
- spike
- A single sharp projection, not necessarily one of several.