cross the Forth

• swim the Forth

Variant of cross the Tiber, by substitution of central Scotland's river Forth for Rome's river Tiber.

cross the Forth (third-person singular simple present crosses the Forth, present participle crossing the Forth, simple past and past participle crossed the Forth)

1. (idiomatic) Alternative form of swim the Forth

• cross the Bosphorus (“convert to Eastern Orthodoxy”)
• cross the Rhine (“convert to Lutheranism”)
• cross the Thames (“convert to Anglicanism”)
• cross the Tiber (“convert to Roman Catholicism”)