Adjective
Moving in a direction that is considered down, such as downstream or to a lower level.
Usage- not-comparable
- Examples
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All downbound vessels shall enter Lake Erie through the East Outer Channel east of Detroit River Light ...
More examples (1)
year unknown, United States. Congress. Senate. Committee on Commerce, Hearings Of the tonnage downbound, 11,946,000 gross tons was destined to ports on Lake Ontario ...
Adverb
Moving down.
Usage- not-comparable
Adjective
heading in any direction that is conventionally down
- Examples
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a downbound channel
the downbound train