I. ˈprȯŋ, ˈpräŋ noun
Etymology: Middle English pronge
Date: 15th century
1. : fork
2. : a tine of a fork
3. : a slender pointed or projecting part: as
a. : a fang of a tooth
b. : a point of an antler
4. : something resembling a prong
II. transitive verb
Date: 1816
: to stab, pierce, or break up with a pronged device