Definitions

1. verb

to come out of a narrow passage, especially a hedge or a thicket

“The deer debouched from the forest and ran across the field.”

2. noun

a narrow passage, especially a hedge or a thicket, from which game can emerge

“The hunter set up his stand near the debouche where the deer were likely to emerge.”

3. verb

to emerge or come out of a confined or enclosed space

“The crowd debouched from the stadium after the game.”