Y- A “Y” shaped plumbing fitting.

Yard of concrete- One cubic yard of concrete is 3′ X 3′ X 3′ in volume, or 27 cubic feet.  One cubic yard of concrete will pour 80 square feet of 3 ½” sidewalk or basement/garage floor.

Yoke- The location where a home’s water meter is sometimes installed between two copper pipes, and located in the water meter pit in the yard.