Meaning ofunderdrawingin English

Noun

1. a preliminary sketch on a work's surface; before adding media
   The artist created an underdrawing on the canvas before painting.
2. a proportional image guide; for drawing garments
   The fashion designer used an underdrawing to create a pattern for the dress.
3. an initial sketch; on a painting's base surface
   The artist's underdrawing was still visible in some areas of the finished painting.