noun
ready cash; cash on hand
Refers to physical currency or immediately available cash that one is carrying or has on hand, as opposed to bank deposits or credit.
手持ち現金が足りなくて、ATMでお金を下ろした。
I didn't have enough cash on hand, so I withdrew money from the ATM.
旅行のときは、ある
When traveling, it's better to have a certain amount of cash on hand.