Within a building construction site, the arithmetic average of the elevations of various ground surfaces within the site.

The average number of years between storms that will produce rainfall rates equaling or exceeding a given amount; sometimes called

A procedure for calculating the volume of earthwork between two cross sections; the cross-sectional areas are averaged and multiplied by

1. A wide street, usually planted with trees; generally straight. 2. A way of approach or access.

Glass (or glazes) containing colored spangles of nonglassy material.

On drawings, abbr. for avenue