This is the 11930th most frequent French word.
séparant
"Separating" or "dividing."
In this sentence, 'séparant' is used as a present participle modifying 'le pont', indicating the bridge actively has the function of separating the two districts.
Le pont séparant les deux quartiers est très ancien.
The bridge separating the two districts is very old.
Here, 'séparant' again functions as a present participle, describing the line as having the function of separating the two teams.
Elle marche à travers la ligne séparant les deux équipes.
She walks across the line separating the two teams.
In this example, 'séparant' modifies 'le mur', signifying the wall's role in separating the neighbors.