long measure containing six feet, used chiefly at sea for measuring the length of cables and cordage.

Fatuus ignis, in physiology, a meteor otherwise called Will-with-a-wisp. See Will.

Faviform, in general, something resembling a honeycomb. Surgeons give this appellation to certain ulcers, which emit a fumes through little holes, especially in the head.

Favissae, in antiquity, were, according to Festus and Gellius, cisterns to keep water in; but the favissae in the Capitol at Rome were dry cisterns or subterraneous cellars, where they laid up the old statues, broken vessels, and other things used in the temple. These were much the same with what, in some of the modern churches, are called the archives and treasury.