retainer
🇺🇸
/rɪˈteɪnər/
🇬🇧
/rɪˈteɪnə(r)/
Money paid to someone to ensure they are available for work when needed.
The company pays a retainer to the consultant to have her expertise on call.
A small amount of rent paid to keep a room available even when not in use.
I paid a retainer to hold the apartment while I'm on vacation.
A device used to keep teeth straight after braces are removed.
The dentist fitted her with a retainer to maintain the alignment of her teeth.
A long-term family servant.
The family's retainer had been with them for over 30 years.