verb (used with object), French-fried, French-fry·ing.
to fry in deep fat: to French-fry onion rings.
Origin of French-fry
An Americanism dating back to 1925–30
thin strips of potato that have been deep-fried.
Origin of French fries
First recorded in 1915–20
Also called French-fried potatoes.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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).
Online Etymology Dictionary, © 2010 Douglas Harper