Wikipedia
Juliet cap
A Juliet cap is a small open-work crocheted or mesh cap, often decorated with pearls, beads or jewels, and chiefly worn with evening gowns or as bridal wear. The cap is named after the heroine of Shakespeare's Romeo and Juliet.
An article in Every Woman's Encyclopaedia (London, 1910) suggested:
Usage examples of "juliet cap".
The veil of illusion net that went with it fell from a Juliet cap down to drape over an elegant train.