definition of
nose

[1] #1 nose n. [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". wn

[2] #2 nose n. a front that resembles a human nose (especially the front of an aircraft); "the nose of the rocket heated up on reentry". wn

[3] #3 nose v. [intrude, horn in, pry, poke] search or inquire in a meddlesome way; "This guy is always nosing around the office". wn

[4] #4 nose v. advance the forward part of with caution; "She nosed the car into the left lane". wn

[5] #5 nose n. the front or forward projection of a tool or weapon; "he ducked under the nose of the gun". wn