tri·corn also tri·corne (trīkôrn′)
A hat having the brim turned up on three sides.
Having three corners, horns, or projections.
[French tricorne, from Latin tricornis, three-horned : tri-, tri- + cornū, horn; see ker-1 in the Appendix of Indo-European roots.]
(click for a larger image)tricorn
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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.