cross the Bosphorus

• swim the Bosphorus

Variant of cross the Tiber, by substitution of Istanbul's river Bosphorus for Rome's river Tiber.

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

1. (idiomatic) Alternative form of swim the Bosphorus

• cross the Forth (“convert to Presbyterianism”)
• cross the Rhine (“convert to Lutheranism”)
• cross the Thames (“convert to Anglicanism”)
• cross the Tiber (“convert to Roman Catholicism”)