nose, olfactory organ - the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals; "he has a cold in the nose"

U.S.A., United States, United States of America, US, USA, America, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776