joinmark

noun
UK /ˈdʒɔɪnmɑːk/
US /ˈdʒɔɪnmɑːrk/

A joinmark is a little sign that shows where two things are joined together.

The teacher drew a joinmark where the two pieces of paper meet.


OTHER MEANINGS

2. A visible line or spot left where two materials have been stuck or sewn together.

You can see the joinmark on the quilt where the patches were sewn.

3. A digital tag that shows two pieces of information are linked.

The app puts a joinmark between your name and your photo.

4. A small badge worn to show that someone belongs to a group.

Each club member got a joinmark to pin on their shirt.