Crossword clue: a stuffed jacket worn under the mail, or (later) a jacket plated with mail. halliwell. sir w. scott.

The most common answer is acton (5 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

acton 5 letters web-def

A stuffed jacket worn under the mail, or (later) a jacket plated with mail. [Spelled also hacqueton.] [Obs.] Halliwell.