noun
money on hand; cash at hand
Refers to the money one currently has with them, as opposed to total assets or bank savings.
持ち金が足りなくて、買えなかった。
I didn't have enough money on me, so I couldn't buy it.
旅行のときは、持ち金を分散して持つようにしている。
When traveling, I make sure to split up the cash I carry.