Isthmus(redirected from isthmus of rhombencephalon)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
ISTHMUS. A tongue or strip of land between two seas. Glos. on Law, 37, book 2, tit. 3, of the Dig.
A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.