Part of a plane that might be rounded, squared-off, or Hoerner style

Answer of Word Craze Part of a plane that might be rounded squared off or Hoerner style

This is a tricky question of Word Craze which last appeared on Level 1645. Meanings or answers can change from time to time with each game update if you noticed a change on the answer of this clue please do let us know by commenting below so we can fix it A.S.A.P.
The solution below is:

For other clue answers of Level 1645 Word Craze Level 1645 Answer open the the level link.