A broad, well-paved and landscaped thoroughfare.
"The city renovated the old road into a beautiful boulevard lined with trees and wide sidewalks."
In plain English: A boulevard is a wide, busy street with trees on both sides that often has multiple lanes for cars and sidewalks for people to walk on.
"We drove down the wide boulevard to get home from work."
Usage: Use boulevard to describe wide city streets that feature extensive landscaping or tree-lined medians rather than simple paved roads. This term often implies a grander scale compared to standard avenues or boulevards in other languages where the meaning may differ slightly.
A census-designated place in San Diego County, California, United States.
"Residents of Boulevard often commute to nearby La Jolla for work and shopping."
The word boulevard comes from French, where it originally meant "rampart." It traces its roots back to Middle High German and Middle Dutch terms for a bulwark or bastion.