You know what it looks like… but what is it called?
TAKE THE QUIZ“claus”
The following 2 entries include the term claus.
Santa Claus
noun: a plump, white-bearded, red-suited, and jolly old man in modern folklore who delivers presents to children at Christmastime
Claus process
noun: a process for converting hydrogen sulfide to elemental sulfur by oxidation with air
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Merriam-Webster unabridged