lap child

noun

, South Midland and Southern U.S.

1. a child who has not yet begun or has just begun to walk.

Example Sentences

They also notify anyone on the plane with a lap child, on the premise that they are more likely to wander around the aircraft, the C.D.C. said.

From New York Times

Children can fly as a lap child until they are 2 years old.

From Seattle Times

Children can fly as a lap child until they are 2 years old.

From New York Times

Whoever said, “It’s the journey, not the destination,” probably wasn’t traveling with a lap child.

From Salon

Even though you can theoretically lean your seat back, most airlines have removed so much room between the seats that you’re almost certain to collide with a passenger’s knee, laptop computer or lap child.

From Washington Post