House Design With No Internal Dividing Walls
This page is the CodyCross answer for the clue below from Life on Wheels, Group 1785, Puzzle 5 (Catalytic Converter).
Question is: House Design With No Internal Dividing Walls
and the answer is: OPENPLAN
Word Meaning:
OPEN — (usually not comparable) Physically unobstructed, uncovered, etc.
Definitions from Wiktionary.