n. 河口, 排水口, 袭击

[ noun ]
the outlet of a river or drain or other source of water
<noun.artifact>

Outfall \Out"fall`\, n.
1. The mouth of a river; the lower end of a water course; the
open end of a drain, culvert, etc., where the discharge
occurs.

2. A quarrel; a falling out. [Prov. Eng.]