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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

In Italy, there were several fine seaports, with the city of Rome’s port at Ostia being a notable example.

From Textbooks • Apr. 19, 2023

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

Innocent V. Peter de Tarantaise, a Dominican, cardinal, bishop of Ostia, elected pope at Arezzo, 21st Feb. 1276, crowned at Rome, 23d of the same, died 22d June, 1276 189.

From The Power Of The Popes by Daunou, Pierre Claude Fran?ois