==Instruments== How the down-bow is achieved varies depending on the shape and orientation of the instrument. ==Uses== String players can exert stronger pressure when bowing near the frog than when bowing near the tip, due to the bowing hand`s proximity to the bow`s contact point with the string. Down-bows, which begin near the frog, are therefo.....
The sign for down bow is and indicates a downward stroke of the bow from frog to tip. 
[n] - a downward stroke from the heel to the tip of the bow
noun a downward stroke from the heel to the tip of the bow
(in bowing on a stringed instrument) a stroke bringing the tip of the bow toward the strings, indicated in scores by the symbol &downbow; (opposed to up-bow).