- Mil. to come forth from a narrow or shut-in place into open country
- to come forth; emerge
Origin of debouchFrench déboucher, to emerge from from dé- (see de-) + bouche, mouth, opening from Classical Latin bucca, cheek: see buccal
verbde·bouched, de·bouch·ing, de·bouch·es
- To march from a narrow or confined area into the open.
- To emerge; issue: “His companions still lay in the bed of the ravine, through which the smaller stream debouched” ( James Fenimore Cooper )
Origin of debouchFrench déboucher dé- out of ( from Old French des- ; see de- . ) bouche mouth ( from Latin bucca cheek, mouth )
- (geography) A narrow outlet from which a body of water pours.
- (military) A fortress at the end of a defile.
(third-person singular simple present debouches, present participle debouching, simple past and past participle debouched)
French déboucher (de + bouche), modelled on Italian sboccare.