(こぶし)

こぶし
noun
fist
1. fist
A hand with the fingers closed tightly into the palm.
I clenched my fist.
I pounded the table with my fist.
I raised my fist in protest.
Frustrated, I clenched my fist tightly.
Having won the match, the players thrust their fists in the air and celebrated.

(こぶし) refers to the fist - a hand with fingers closed tightly.

COMMON COLLOCATIONS:

COMPOUNDS:

IDIOM:
(こぶし)(かた): to speak with fists (resort to violence)