The handle of a mallet (such as the wooden handle of a rice-pounding mallet).
古い倉庫で、木製の杵と長い杵柄を見つけた。
In the old storehouse I found a wooden mallet and a long handle.
杵柄をしっかり握って餅をついたので、うまくつぶせた。
I gripped the mallet's handle firmly when pounding the mochi, so it mashed well.