Meaning of unmoor

un•moor

Pronunciation: (un-moor'), [key]
— v.t.
  1. to loose (a vessel) from moorings or anchorage.
  2. to bring to the state of riding with a single anchor after being moored by two or more.
—v.i.
  1. (of a vessel) to become unmoored.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.