English

Verb

undercutting

1. present participle of undercut

Noun

undercutting ‎(plural undercuttings)

1. An undercut; a cut in the lower part.
   • 1828, James Smith, The Panorama of Science and Art

     When there are undercuttings in the bass-relief, so that the plaster poured upon it would run into cavities, from which it could not be drawn up, but would break in them, these undercuttings must be filled up with plaster […]