French abbreviation · Crochet
What does mc mean in crochet?
mc means slip stitch.
In French: maille coulée
Try it with a row from your pattern
Here is a row that uses it. Replace it with a row from your pattern: every abbreviation the reader knows is underlined, and its meaning shows on hover.
Tour 3 : 1 ms dans chaque maille, fermer par 1 mc dans la première ms (18)