Definition: a person’s nickname.
Middle French soubriquet, literally meant a chuck under the chin; its origin is not clear, but sob, is probably sub, the Latin for ‘under’. The French sobriquet, dates back to the 1640’s, directly means ‘nickname’, the connection between the two is yet unclear.
Why this word?
Sobriquet is a great word, mainly because many people have sobriquets… these nicknames are many times assumed, and with most occasions they are given to the person by someone else. These are not pseudonyms which are considered disguises, but names you can use publically. Genghis Khan is the sobriquet for Temujin, Mohandas Gandhi is the sobriquet fr Mahatma Gandhi; do you know Temujin or Mohandas? I don’t.
How to use sobriquet?
This is a noun, representing one’s nickname.
Brother Jonathan, sobriquet for United States, is connected with Jonathan Trumbull of Connecticut, he was called so by George Washington who often sought his advice.