a. The projecting nose, jaws, or anterior facial part of an animal's head.
b. A similar prolongation of the anterior portion of the head in certain insects, such as weevils; a rostrum.
c. A spout or nozzle shaped like such a projection.
2. Slang The human nose.
[Middle English, probably of Old English origin.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.