French fries

noun
1.
thin strips of potato that have been deep-fried.
Also called French-fried potatoes.
Origin
1915-20
British Dictionary definitions for french fried potatoes

French fried potatoes

plural noun
1.
a more formal name for chips Also called (esp US and Canadian) French fries See chip (sense 4)
Word Origin and History for french fried potatoes

French fries

n.

1903, American English, earlier French fried potatoes (by 1883). French frieds (1944) never caught on. Simple short form fries attested by 1973. In the Upper Midwest of the U.S., sometimes called American fries (1950).