411 REFERENCE · Wiktionary
A formation
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
An arbitrary name, not related to the shape of the letter A.
Noun
en American football A variation of the single-wing formation, differing in placing the quarterback further back from the line and closer to the center, and placing the backfield opposite the "strong" side of the unbalanced line.