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

• willem de sitter

2. (noun) a person engaged to care for children when the parents are not home

• baby-sitter
• babysitter

3. (noun) a person who poses for a painter or sculptor

• artist's model

4. (noun) a domestic hen ready to brood

• brood hen
• broody
• broody hen
• setting hen

1. (noun) an organism (person or animal) that sits

• animal
• animate being
• beast
• brute
• creature
• fauna

1. (noun) an organism (person or animal) that sits

• being
• organism

2. (noun) a person engaged to care for children when the parents are not home

• keeper

3. (noun) a person who poses for a painter or sculptor

• model
• poser

4. (noun) a domestic hen ready to brood

• biddy
• hen

1. (noun) a person engaged to care for children when the parents are not home

• baby-sit
• baby-sit
• baby-sit
• sit
• sit
• sit

2. (noun) a person who poses for a painter or sculptor

• model
• pose
• posture
• sit

1. (noun) an organism (person or animal) that sits

• stander