∙ A broad street, especially one bordered by trees (Wikipedia).
∙ A way or opening for entrance into a place; a passage by which a place may be reached; a way of approach or of exit.
∙ The principal walk or approach to a house which is withdrawn from the road, especially, such approach bordered on each side by trees; any broad passageway thus bordered.
∙ A method or means by which something may be accomplished.