Definition of "underdrawing" in Anglais

noun

1. (art) A sketch done on the ground of a work of art before paint, pastel, ink, or other more permanent medium is applied.

2. (fashion design) An image of a figure that is slid under the page on which a designer draws a garment, so that the result conforms to the figure's proportions.

3. An underdrawn cover or lining of the underside of a floor or roof with plasterwork, boarding, or similar.