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The Collaborative International Dictionary

Ostium \Os"ti*um\, n.; pl. Ostia. [L.] (Anat.) An opening; a passage.


n. 1 A small opening or orifice, as in a body organ or passage. 2 Any of the small openings or pores in a sponge.


An ostium (plural ostia) in anatomy is a small opening or orifice.

Ostium or Ostia may refer to:

Usage examples of "ostium".

Of the twenty successful candidates he had polled last, no surprise given his lack of ancestry, and drew the lot for duty supervising all the ports of Italy save for Ostia and Brundisium, which had their own quaestors.

The empty grain fleets came down from Ostia, Puteoli and Neapolis on the Etesian winds, and by the time the harvest was in and the ships loaded, Auster the south wind blew the fleets back to Italy.

She was conveyed from Ostia in a curtained litter, an enormous procession of attendants before her and behind her, including a detachment of the Royal Guard in their quaint hoplite gear, but mounted on snow-white horses with purple tack.

Ostia, where he had been killed, where another basilica would be built.

Ostia, and how they would get married here in Rome as soon as the laicization came through.

Ille vero nichil hujus generis malebat, manibus ante oculos passis, ne mulieris formositatem adspiceret: postea illum magica percussit arte, at mortuum efferebat inde cum fletibus et vagitibus, et me per timorem expulit ad ostium magni fluminis, velivoli, porro in nave, in qua te peperi, vix post dies huc Athenas vecta sum.

I happened to know that Rubella had joined the Fourth, as a new appointment by Vespasian, three or four years ago, so I had to create a pretty panorama where all members of the glorious Fourth had kept their ugly noses blown the last time they served at Ostia and no hint of these kidnaps could have reached their tribune then.

While his men continued to search through Ostia and Portus for Caninus, Marcus Rubella would be interviewing prisoners.

Ostia had mistimed things so badly that he had allowed the barges an extra trip upstream to Tuder and Ocriculum, where the Tiber Valley harvest was demanding transportation downstream to Rome.

Marcus Aurelius Cotta sailed the Sinus Gallicus from Massilia to Ostia in winds that veered between perfect and nonexistent, a better passage by far than could have been predicted.

Cargo unloaded from merchantmen in Ostia was here finally discharged for Rome.

Portus Augusti had been constructed about two miles to the north of Ostia itself.

He completed the Claudian aqueduct, begun by Caligula, and built a fort and light-house at Ostia, and a tunnel from Lake Lucinus to the River Liris.

Priene Marbles, including the Venus from Ostia, the Discobolos, Giustiniani Apollo, Clytie, and so forth.

In the intervals of space left free between Naples, Milan, Florence, and Venice, petty tyrants had arisen who exercised an absolute sovereignty over their territories: thus the Colonnas were at Ostia and at Nettuna, the Montefeltri at Urbino, the Manfredi at Faenza, the Bentivogli at Bologna, the Malatesta family at Rimini, the Vitelli at Citta di Castello, the Baglioni at Perugia, the Orsini at Vicovaro, and the princes of Este at Ferrara.