- the ancient name for (the Sea of) Marmara
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
Examples from the Web for propontis
Thasos868 was founded by Parians, and Parium,869 a city in the Propontis.
Then the parts below the Propontis, extending as far as Lectum.
The people of Adrasteia occupied the Propontis, as far as the Granicus.
The length of the Propontis from the Troad to Byzantium is stated to be 1500 stadia.
The journey along the northern shore of the Propontis was accomplished in safety.Callias
Alfred John Church