English
Thach weave
From Thach + weave.
The story
Named after WWII U.S. naval aviator John S. Thach, who invented the manoeuvre.
Today it means
noun A tactic in aerial combat of the World War II era, where two aircraft on patrol fly a parallel course, and if attacked, overlap their flight paths repeatedly, enabling each to protect the other.
Language periods are conventional ranges, not dates for this word.
Etymograph / Thach weave