unanchor

verb

1. (transitive)To raise an anchor or to free a vessel from an anchor.
2. (broadly, transitive)To liberate.
3. (intransitive)To become loose or physically unattached.
4. (transitive)To release from a fixed position and allow to be moved.

   “To unanchor the cell cursor so that you can move it into position for selecting another range, press Shift+F8. This puts you in Add to Selection mode, in which you can move to the first cell of the next range without selecting any more cells.”