sitter

noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about sitter at Wordnik → Where our words come from →

1. Someone who sits, e.g. for a portrait.
2. One employed to watch or tend something; a babysitter, housesitter, petsitter, etc.

   It's always such a pain to get a sitter on short notice.

3. A sitting room.