placekeeper

noun
UK /ˈpleɪsˌkiːpə/
US /ˈpleɪsˌkiːpər/

A placekeeper is something you put down to save your spot for later.

She put her jacket on the chair as a placekeeper while she got her lunch.


OTHER MEANINGS

2. A person who temporarily does a job until someone else takes over.

The assistant coach was just a placekeeper until the new coach arrived.

3. A mark or object used to remember where you stopped in a book or game.

He used a leaf as a placekeeper in his storybook.

4. Something used in place of the real thing for now.

The paper cup was a placekeeper until the real trophy was ready.