Definition - (noun) A nickname.

Example -
Calling your wife Honey Bun.

Etymology -
The word derives via Late Latin from the Greek hupokorizesthai, to call by endearing names (from the Greek hypo, secretly or beneath + korizesthai, to caress).

Oxford English Dictionary -
Its first citation is from 1850:
"‘Polly’ is one of those ‘hypocorisms’ or pet-names with which our language abounds."
( N. & Q. 1st Ser. I. 242/1)

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