saint nicholas is a noun meaning "a bishop in Asia Minor who is associated with Santa Claus (4th century)". It carries 2 recorded senses.
a bishop in Asia Minor who is associated with Santa Claus (4th century)
the legendary patron saint of children; an imaginary being who is thought to bring presents to children at Christmas
Definitions, synonyms and semantic relations for saint nicholas come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.