I play the electric violin. It's equipped with electric output of sound! 
oh snap that is so cool! i have a regular violin but i still am basic. i think i need a smaller one so i havent played in a while. tell me more about this violin of yours
It mostly refers to a violin made with built in pick ups. 
oh yeah cool! what is a violin pick up
Well some have a pick up like an amplified violin or electro-acoustic violin 
oh okay. what else can you tell me about them? they look so cool
They have actually been used since around the 1920s!