filet lace

noun

a square mesh net or lace, originally knotted by hand but now copied by machine.

Origin of filet lace

1905–10; < French filet net (Old French file something spun, past participle of filer; see file¹) + -et -et

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018