ˈbʌɪ.fək.eɪt ˈdʌb.əl having two meanings with intent to deceive a sly double meaning spoke with forked tongue resembling a fork; divided or separated into two branches the biramous appendages of an arthropod long branched hairs on its legs on which pollen collects a forked river a forked tail forked lightning horseradish grown in poor soil may develop prongy roots