noun
- a short pin with a large flat head, used to attach papers to a bulletin board or wall
verb
- to attach or fasten with a thumbtack
Examples
- She used a thumbtack to hang the poster on her bedroom wall.
- The teacher asked students to thumbtack their artwork to the bulletin board.
- He pressed the thumbtack into the cork board with his thumb.
- The notice was held up by four thumbtacks in each corner.
- Can you thumbtack this memo to the office board?
- The thumbtack fell out and the paper fluttered to the floor.
- She carefully thumbtacked the map to the wall for reference.