lap robe

noun

a blanket, fur covering, or the like, used to cover one's lap or legs, as when sitting outdoors or riding in an open vehicle.

Origin of lap robe

An Americanism dating back to 1865–70

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

He drew the lap-robe around her, and started the automobile.
The Heart of Thunder Mountain
Edfrid A. Bingham
While she had slept Milt had taken his arm from about her and fished out a lap-robe for her.
Free Air
Sinclair Lewis
What was more, she offered me half of the lap-robe when I was seated beside her.
The Great K. & A. Robbery
Paul Liechester Ford
He slipped his hand under the lap-robe, and gave hers a gentle pressure.
Double Trouble
Herbert Quick
While she was speaking, Grace, under the lap-robe, pressed her lover's hand.
The Wedge of Gold
C. C. Goodwin