An organ in front of the face that in many animals (including people) has the orifices that communicate the respiratory system with the outside world in addition to the olfactory receptors. 2º_ Because of its protruding shape, it is also the name of pieces or devices that protrude from a body or surface, which look like a point in front. 3º_ By the first meaning it is said as an adjective of a person who has a very fine sense of smell and trained to recognize the composition of aromas, especially in perfumes or infusions.
