Origin of string bean
Examples from the Web for string bean
The drum beat the “long roll,” and the men that formed this “string-bean cavalry,” as they were called, crawled under the wagons.Mary and I|Stephen Return Riggs
As a string-bean, it is of fair quality, good when shelled in the green state, and farinaceous and mild flavored when ripe.
I won't let myself even think "luscious peach" and "string-bean."The Melting of Molly|Maria Thompson Daviess
As a string-bean, it is deservedly considered one of the best.
The variety is hardy and prolific; of good quality as a string-bean, or for shelling in the green state.