Simple past tense and past participle of debouche.(verb)
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Use "debouched" in a sentence
"When this horde of crazed women debouched on the next department, Those who worked there joined in the stampede to escape from they knew not what danger."
"Geared from the start with her charm, fierce determination and a precocious vocabulary, I didn't like her, and I didn't like the character of the debouched marshal played with obnoxious magnificence by Jeff Bridges."
"The guide salaamed, half-mockingly, half-wondering at such eloquence, pausing in the passage to point into the side-caves that debouched to either hand."