crossfeed

Short definition from Wiktionary

Noun

1. 1
   The process of blending the left and right channels of a stereo recording.
2. 2
   The supplying of one fuel tank of an aircraft or rocket with fuel from another, or of an engine with fuel from a tank connected to a different engine.

Verb

1. 1
   To supply one fuel tank of an aircraft or rocket with fuel from another, or an engine with fuel from a tank connected to a different engine.
2. 2
   To blend the left and right channels of a stereo recording.
3. 3
   To coexist on a single limiting resource where one strain or species grows on the primary resource and the second grows on the partially degraded resource excreted by the first.