- The nose.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for nasus
When the Nasus, Gen, &c. are dilated so as to shelter and overshadow the mouth.An Introduction to Entomology: Vol. IV (of 4)
That part of the Face immediately contiguous to the Antenn, that lies behind the Nasus, when distinctly marked out.An Introduction to Entomology: Vol. III (of 4)
Name from Nasus tortus, a convulsed nose, alluding to the effect of its pungent qualities.