folk dance
- n a style of dancing that originated among ordinary people (not in the royal courts)
- v perform a folk-dance
foghorn
- n a loud low warning signal that can be heard by fogbound ships
- n a warning device consisting of a horn that generates a loud low tone
foglamp
- n headlight that provides strong beam for use in foggy weather
fogsignal
- n a loud low warning signal that can be heard by fogbound ships