Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934).

synoniem: Willem de Sitter.

An organism (person or animal) that sits.

A person engaged to care for children when the parents are not home.

synoniemen: baby-sitter, babysitter.

Nederlands: babysit, babysitter, kinderzitje
Pools: baby-sitter, babysitterka

A person who poses for a painter or sculptor.

synoniem: artist's model.

A domestic hen ready to brood.

synoniemen: brood hen, broody, broody hen, setting hen.

Pools: nasiadka