blind-fly noun2 •Any of several medium-sized blood-sucking flies, of the family Tabanidae, usually species in the genus Haematopota.I caught a number of that species of Tabanidae which has a large, grey-striped body, greenish-yellow eyes, and entirely transparent wings. This is locally termed the "blind fly" and it feeds on blood. — 1898 •The game of blind man's buffPossibly derived from the Italian name of the game: Mosca cieca, which literally means "blind fly". formsblind-flies