In a message dated 98-06-08 01:09:13 EDT, you write: << Amazingly, the OED has no entry for wythe, except as an obsolete spelling for white and with (wythe a brief stopover at withe). >> We've been going at this a wythetime. OK, _Construcution Glossary_, J. Stewart Stein, Wiley, 1980 Wythe (leaf) 1. Each continuous vertical section of a wall, 1 masonry unit in thickness and tied to its adjacent vertical section or sections (front or back) by bonders (headers), metal ties, or grout. 2. Thickness of masonry separating flues in a chimney. 3. Four-inch partition or tie between two walls, such as two walls of a chimney. ][<en