transischiac (transiskiak)

[ transisthmian (trans-ist'mi-an), a. [L. trans, acro , + isthmus, isthmus.] Extending acro an isthmus: used chiefly with reference to the isthmus of Suez, or to that joining North and South America. A trans - isthmian canal will be a military disaster to the United States. The Atlantic, LXVI. 822.