Eiffel Tower(noun)

a wrought iron tower 300 meters high that was constructed in Paris in 1889; for many years it was the tallest man-made structure

Eiffel Tower(ProperNoun)

An iron tower built on the Champ de Mars beside the Seine River in Paris, a global icon of France; one of the most recognizable structures in the world.

Eiffel Tower

a structure erected on the banks of the Seine in Paris, the loftiest in the world, being 985 ft. in height, and visible from all parts of the city; it consists of three platforms, of which the first is as high as the towers of Notre Dame; the second as high as Strasburg Cathedral spire, and the third 863 ft; it was designed by Gustave Eiffel, and erected in 1887-1889; there are cafés and restaurants on the first landing, and the ascent is by powerful lifts.