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Ostia

American  
[os-tee-uh, aw-styah] / ˈɒs ti ə, ˈɔ styɑ /

noun

  1. a town in central Italy, SW of Rome: ruins from 4th century b.c.; site of ancient port of Rome.


Ostia British  
/ ˈɒstɪə /

noun

  1. an ancient town in W central Italy, originally at the mouth of the Tiber but now about 6 km (4 miles) inland: served as the port of ancient Rome; harbours built by Claudius and Trajan; ruins excavated since 1854

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Arm in arm, young people of different faiths perform the dabke, an Arabic folk dance, in the Italian port of Ostia, elated by a visit from Pope Leo XIV.

From Barron's • Oct. 18, 2025

I attended a Bold Spirit “virtual visit” where Mary Jane Cuyler discussed Roman ruins at Ostia, Italy, where she’s field director of excavations at an unearthed synagogue.

From Seattle Times • Sep. 9, 2020

We first see Arabella Essidieu, played by Michaela Coel, who also wrote and created the electric I May Destroy You, waiting for a taxi on the street in Ostia, Italy.

From Slate • Jun. 22, 2020

The necessities of life were brought up from Ostia and the neighbouring municipalities, and the price of grain was lowered to three sesterces.

From Textbooks • Jan. 1, 2019

Ostia, before the days of the Emperor Claudius, who carried out great works there, was a port of smallest consequence.

From Naples Past and Present by Norway, Arthur H.

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