ENTRANCE n.
The act of entering or going into; ingress; as, the entrance of a person into a house or an apartment; hence, the act of taking possession, as of property, or of office; as, the entrance of an heir upon his inheritance, or of a magistrate into office.
LOCK v.
To prevent ingress or access to, or exit from, by fastening the lock or locks of; -- often with up; as, to lock or lock up, a house, jail, room, trunk. etc.
OPEN a.
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 o…