Free of access; not shut up; not closed; affording
   unobstructed ingress or egress; not impeding or preventing passage; not
   locked up or covered over; -- applied to passageways; as, an open door,
   window, road, etc.; also, to inclosed structures or objects; as, open
   houses, boxes, baskets, bottles, etc.; also, to means of communication
   or approach by water or land; as, an open harbor or roadstead.