a projecting edge, as the part of the tread of a step extending beyond the riser or a projecting part of a buttress.
the part of the face or facial region in humans and certain animals that contains the nostrils and the organs of smell and functions as the usual passageway for air in respiration: in humans it is a prominence in the center of the face formed of bone and cartilage, serving also to modify or modulate the voice.
this part as the organ of smell.
the sense of smell: fragrances appealing to the nose.
anything regarded as resembling the nose of a person or animal, as a spout or nozzle.