This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Simple past tense and past participle of debouche.

"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."

debouched    debouches    debouching   

process    march    egress    come out    come forth   

issue   

horizon-line    slate-grey    spear-thrower