concrete masonry unit
Defined in 1 dictionary — U.S. Code
United States Code
15 U.S.C. § 8702 — for the purposes of this chapter
The term "concrete masonry unit"—
(A) means a concrete masonry product that is a manmade masonry unit having an actual width of 3 inches or greater and manufactured from dry-cast concrete using a block machine; and
(B) includes concrete block and related concrete units used in masonry applications.