An item with the hole drilled at the top, as opposed to the center. The item can then be used as a dangle, a drop pendant, as a part of a cluster, etc. An example is the Swarvoski 6328 Bicone Pendant:
Also used to describe beads that are drilled from top-to-bottom, as opposed to side-to-side. For example, there are two versions of this TierraCast Skull bead, one with a top-drilled stringing hole, and one with a side-to-side stringing hole.