filet I. filet variant of fillet II. fi·let\fə̇ˈlā, ˈfi(ˌ)lā\noun alsofilet lace (-s) Etymology: French filet, literally, net, from Old French filé, from Old Provençal filat — more at fierasfer : a lace with geometric designs made by darning patterns on a square-mesh ground or by crocheting < a tablecloth of fine damask and the frilly cloth of filet — American Cookery >