- The definition of antimacassar is a protective cover for the arms and/or backs of upholstered furniture.
An example of an antimacassar is the square crocheted cloth placed over the back of a reclining chair.
antimacassar definition by Webster's New World
Origin: anti- plush macassar (oil), an oil, origin, originally imported from Macassar, used as a hair dressing
antimacassar definition by American Heritage Dictionary
Origin: anti- + Macassar, a brand of hair oil.