Definition of "underdraw" in English

verb

1. (transitive) To cover or line the underside of (a floor or roof) with plasterwork, boarding or other such treatment.

2. To take or draw less than one needs or is entitled to.

3. (transitive) To represent inadequately in an artistic depiction, or in words.

4. To sketch a work of art in chalk, pencil, or other temporary medium prior to painting, inking, or otherwise making the final work.