Nose n.
 1. Anat. The prominent part of the face or anterior extremity of the head containing the nostrils and olfactory cavities; the olfactory organ. See Nostril, and Olfactory organ under Olfactory.
 2. The power of smelling; hence, scent.
    We are not offended with a dog for a better nose than his master.   --Collier.
 3. A projecting end or beak at the front of an object; a snout; a nozzle; a spout; as, the nose of a bellows; the nose of a teakettle.
 Nose bit Carp., a bit similar to a gouge bit, but having a cutting edge on one side of its boring end.
 Nose hammer Mach., a frontal hammer.
 Nose hole Glass Making, a small opening in a furnace, before which a globe of crown glass is held and kept soft at the beginning of the flattening process.
 Nose key Carp., a fox wedge.
 Nose leaf Zool., a thin, broad, membranous fold of skin on the nose of many species of bats.  It varies greatly in size and form.
 Nose of wax, (fig.), a person who is pliant and easily influenced. “A nose of wax to be turned every way.” --Massinger
 Nose piece, the nozzle of a pipe, hose, bellows, etc.; the end piece of a microscope body, to which an objective is attached.
 To hold one's nose to the grindstone, To put one's nose to the grindstone, or To bring one's nose to the grindstone. See under Grindstone.
 To lead by the nose, to lead at pleasure, or to cause to follow submissively; to lead blindly, as a person leads a beast. --Shak.
 To put one's nose out of joint, to humiliate one's pride, esp. by supplanting one in the affections of another. [Slang]
 To thrust one's nose into, to meddle officiously in.
 To wipe one's nose of, to deprive of; to rob. [Slang]
 on the nose, (a) exactly, accurately. (b) racing to win, as opposed to to place or to show.