1.
the time being; the immediate present
The short period right now, before longer-term plans take effect; the immediate present.
2.
current account; checking account
A bank account used for day-to-day business payments, typically settled by check and earning no interest.
Two related senses. The core idea is the immediate here and now; the banking sense names the account used for everyday, immediate payments.
SENSE 1 — for the time being:
Often used attributively as 当座の (immediate; current) or adverbially.
- 当座の間に合わせ: a stopgap; a makeshift measure
- 当座しのぎ: a temporary fix
SENSE 2 — current account:
- 当座預金: a current (checking) account
- 当座小切手: a current-account check