on call
Having to be paid on demand.
Jim didn't have the money ready even though he knew the bill was on call.
Ready and available.
This is Dr. Kent's day to be on call at the hospital.
The nurse is on call for emergency cases.
pay a call
To visit someone.
"Come and pay us a call some time, when you're in town," Sue said to Henry.
port of call
Any of the ports that a ship visits after the start of a voyage and before the end; a port where passengers or cargo may be taken on or put off; an in-between port.
Savannah is a port of call for many Atlantic coasting vessels.
A place you visit regularly or often; a stop included on your usual way of going.
It was an obscure little restaurant which I had made something of a port of call.
His home had become one of my regular ports of call in Boston.
pot call the kettle black
The person who is criticizing someone else is as guilty as the person he accuses; the charge is as true of the person who makes it as of the one he makes it against.
When the commissioner accused the road builder of bribery, the contractor said the pot was calling the kettle black.
Bill said John was cheating at a game but John replied that the pot was calling the kettle black.
toll call
A long distance telephone call for which one has to pay.
We had several toll calls on last month's telephone bill.
within call
within hail
Near enough to hear each other's voices.
When the two ships were within hail, their officers exchanged messages.
Billy's mother told him to stay within call because supper was nearly ready.
In a place where you can be reached by phone, radio, or TV and be called.
The sick man was very low and the doctor stayed within call.
The soldiers were allowed to leave the base by day, but had to stay within call.