Webster's Revised Unabridged Dictionary · 1913

Disembogue

Disembogue , transitive verb

[Sp. desembocar; pref. des- (Latin dis-) + embocar to put into the mouth, from en (Latin in) + boca mouth, from Latin bucca cheek. Compare Debouch, Embogue.]

1.
To pour out or discharge at the mouth, as a stream; to vent; to discharge into an ocean, a lake, etc.
Rolling down, the steep Timavus raves, And through nine channels disembogues his waves. — Addison
2.
To eject; to cast forth. [Rare] — Swift

Disembogue , intransitive verb

To become discharged; to flow out; to find vent; to pour out contents.
Volcanos bellow ere they disembogue. — Young