av·e·nue / ˈavəˌn(y)oō/ • n. 1. a broad road in a town or city, typically having trees at regular intervals along its sides. ∎  [in proper names] a thoroughfare running at right angles to the streets in a city laid out on a grid pattern: 7th Avenue. ∎  a tree-lined road or path, esp. one that leads to a country house or similar building: an avenue of limes.2. a way of approaching a problem or making progress toward something: three possible avenues of research suggested themselves.

avenue.
1. Parallel lines of trees, with or without a path or road between them.

2. Main approach to a country-house with regularly-planted trees on either side, a term imported from France by John Evelyn.

3. Wide, handsome street, with or without trees.

Bibliography

O'Malley & Wischke (eds.) (1997)

avenue XVII. — F. avenue, sb. use of fem. pp. of avenir :- L. advenīre approach, f. AD- + venīre COME.