stand in

• stand-in

stand in (plural stand ins)

1. A substitute; a replacement.

   Her stand in muffed a lot of lines.

stand in (third-person singular simple present stands in, present participle standing in, simple past and past participle stood in)

1. To substitute for; to replace; (theater) to serve as an understudy.
2. To make one of a party in a bet or other speculation.
3. To take a side in a dispute.
4. (archaic, slang, transitive) To cost (an amount).

   That coat stands me in four dollars.

• Dantins