sitter

• POS: Noun
• HYPHEN: sit=ter

CIDE DICTIONARY

sitter, n. 

•  One who sits; esp., one who sits for a portrait or a bust.  [1913 Webster]
•  A bird that sits or incubates.  [1913 Webster]

OXFORD DICTIONARY

sitter, n.
1 a person who sits, esp. for a portrait.
2 = BABYSITTER (see BABYSIT).
3 colloq. a an easy catch or shot. b an easy task.
4 a sitting hen.