the legendary patron saint of children; an imaginary being who is thought to bring presents to children at Christmas
"The children were excited when they heard Santa was coming down the chimney on Christmas Eve."
Santa Claus
"Santa arrived at the school meeting to introduce herself as a popular Italian given name rather than the Christmas figure everyone expected."
A female given name from Italian
The word comes directly from the Spanish term Santa, which means "saint." It entered English to refer specifically to Saint Nicholas and his gift-giving tradition.