C1 a wide road with trees or tall buildings on both sides, or a wide country path or road with trees on both sides（两边有树或高楼的）大街；（乡间宽阔的）林荫大道
UK a road that leads to a large house（通往大住宅的）林荫道
This avenue of mature trees has a preservation order on it.
We walked down a broad avenue lined with trees.
The Saint Patrick's Day marchers paraded up Fifth Avenue, past the cathedral.
King's Avenue is the first right.
The broad avenues are shaded by splendid trees.