(Oxford English Dictionary)
Saratoga, n.
In full Saratoga trunk: a large kind of trunk much used by ladies.
1858   N.Y. Tribune 26 July 3/1   The Saratoga Trunk is an article that has been a theme of story for some time.
1869   ‘M. Twain’ New Pilgr. Progress xxvii   This chute [in the pyramid] was not more than twice as wide and high as a Saratoga trunk.
1874   B. F. Taylor World on Wheels i. ix. 72   It is not a carpet-bag, nor a valise nor a Saratoga.
1893   F. F. Moore I forbid Banns xix   ‘Oh, Eric, do help Miriam with that Saratoga,’ cried Mrs. Hardy,..pointing to where Miriam was struggling with a large trunk that had just been hoisted from the hold.
 
Wikipedia: Saratoga Trunk (novel)
Saratoga Trunk is a best-selling novel by American author Edna Ferber, originally published by Doubleday, Doran in 1941.
 
It concerns a notorious Creole woman, Clio Dulaine, who returns to her native New Orleans and marries a Texas gambler, Colonel Clint Maroon.
 
The book serves as the basis for the 1945 film, Saratoga Trunk, and the 1959 stage musical, Saratoga, and was published as an Armed Services Edition during WWII.