plural noun Classical Mythology.
Examples from the Web for symplegades
But it interested somewhat as if it had been a part of the Argo, clipped off in passing through the Symplegades.Cape Cod|Henry D. Thoreau
The story of the Symplegades may be a reference369 to the rolling and clashing of icebergs.Stories of Old Greece and Rome|Emilie Kip Baker
The first papers passed him by two mountains, which, like the symplegades, threatened to meet and crush him in their embrace.The Works of Hubert Howe Bancroft, Volume 3|Hubert Howe Bancroft
Euripides, Medea, verse 2, gives them the title of Symplegades.
After the miraculous passage of the Argo, the Symplegades became permanently united, and attached to the bottom of the sea.Myths and Legends of Ancient Greece and Rome|E.M. Berens