Frog
DEFINITION
The lower part of the violin bow. This is where the performer holds the bow, and where the device is placed (the " nut ") to adjust the tension of the hair.Also [Brit.] nut; [Amer.] frog; [Fr.] talon or hausse; [Ger.] Frosch; [It.] tallone; and [Sp.] tal'n.