The quality or state of being tributary.

(hydrology) A natural water stream that flows into a larger river or other body of water. / A nation, state, or other entity that pays tribute.

Related to the paying of tribute. / subordinate; inferior / Yielding supplies of any kind; serving to form or make up, a greater object of the same kind, as a part, branch, etc.; contributing.

plural of tributary

(engineering) The accumulation of loads that are directed toward a particular structural member.

plural of tributary load

(historical) A state that is subject to another and has to pay regular tribute to the latter as a token of submission.

plural of tributary state