sitter meaning and definition

SITTER noun

Definition of Sitter (noun)

1. Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934)
   • synonyms: Willem de Sitter
2. an organism (person or animal) that sits
   • antonym: stander
3. a person engaged to care for children when the parents are not home
   • synonyms: babysitter, baby-sitter
4. a person who poses for a painter or sculptor
   • synonyms: artist's model
5. a domestic hen ready to brood
   • synonyms: brood hen, broody, broody hen, setting hen