ziggurat

n. (among the ancient Babylonians and Assyrians) a temple (of Sumerian origin) in the form of a pyramidal tower consisting of a number of stories, and having about the outside a broad ascent winding round the structure and presenting the appearance of a series of terraces. Also, zik•ku•rat, zik•u•rat. [t. Assyrian: m. zigguratu pinnacle]

vertigo

n., pl. vertigoes, vertigines. Pathol. a distorted condition in which an individual, or whatever is around him, seems to be whirling about; dizziness. [t. L: lit., whirling around]