Here is the meaning of the word, FIST

Fist ( n. ) - The hand with the fingers doubled into the palm; the closed hand, especially as clinched tightly for the purpose of striking a blow.
Fist ( n. ) - the index mark [/], used to direct special attention to the passage which follows.
Fist ( n. ) - The talons of a bird of prey.
Fist ( v. t. ) - To gripe with the fist.
Fist ( v. t. ) - To strike with the fist.