tailor's chalk (noun)

1. The architect used tailor's chalk to make temporary marks on the blueprint to indicate where the walls should be placed.

2. In the movie about a fashion designer, the tailor's chalk was shown being used to mark the measurements on the fabric.

3. Why did the tailor laugh when using the chalk? Because it always helped him make the cloth-tailored!

4. In the novel, the character used tailor's chalk to mark a secret message on a piece of cloth to pass on a hidden code.