trib·u·tary /ˈtrɪbjəˌtɛrɪ/ 名詞
1. Paying tribute to another, either from compulsion, as an acknowledgment of submission, or to secure protection, or for the purpose of purchasing peace.
[Julius] unto Rome made them tributary. --Chaucer.
2. Hence, subject; subordinate; inferior.
He to grace his tributary gods. --Milton.
3. Paid in tribute. “Tributary tears.”
4. Yielding supplies of any kind; serving to form or make up, a greater object of the same kind, as a part, branch, etc.; contributing; as, the Ohio has many tributary streams, and is itself tributary to the Mississippi.
Trib·u·ta·ry n.; pl. Tributaries
1. A ruler or state that pays tribute, or a stated sum, to a conquering power, for the purpose of securing peace and protection, or as an acknowledgment of submission, or for the purchase of security.
2. A stream or river flowing into a larger river or into a lake; an affluent.
adj 1: of a stream; flowing into a larger stream
2: paying tribute; "a tributary colony"
3: tending to bring about; being partly responsible for;
"working conditions are not conducive to productivity";
"the seaport was a contributing factor in the growth of
the city"; "a contributory factor" [syn: conducive, contributing(a),
n : a branch that flows into the main stream [syn: feeder, affluent]