1. (n.) A passage or way into or out of any enclosed place; esp., a temporary way of access formed of planks.

2. (v. i.) In the English House of Commons, a narrow aisle across the house, below which sit those who do not vote steadly either with the government or with the opposition.

3. (n.) The opening through the bulwarks of a vessel by which persons enter or leave it.

4. (v. i.) That part of the spar deck of a vessel on each side of the booms, from the quarter-deck to the forecastle; -- more properly termed the waist.

Bifrost access adit air lock approach bascule bridge bateau bridge bridge cantilever bridge catwalk corridor drawbridge entrance entranceway entry entryway floating bridge flyover footbridge gangboard gangplank hall in ingress inlet intake lift bridge means of access opening overbridge overcrossing overpass passage passageway pontoon bridge rope bridge span stepping-stone stepstone suspension bridge swing bridge toll bridge vestibule viaduct way way in