Webster's Revised Unabridged Dictionary · 1913

Acton

Acton ({not transcribed}) , noun

[Old French aketon, auqueton, French hoqueton, a quilted jacket, from Sp. alcoton, algodon, cotton. Compare Cotton.]

A stuffed jacket worn under the mail, or (later) a jacket plated with mail. [Obsolete] — Halliwell. Sir W. Scott