Welsh hat

It is still worn by Welsh folk-dance women, and schoolgirls, in Wales on St David's Day, but rarely on other occasions.

It brought forward the image of a happy, hearty, healthy, hard-working Welsh woman.

[7] English and Welsh militia and civilians under the command of John Campbell, 1st Baron Cawdor hastily assembled to defend the town.

[7] It is difficult to date silk Welsh hats; they were being produced in significant numbers during the 1840s and it is possible that they went out of production only a decade or so later.

The large numbers of surviving hats implies that they were invested with much more than being just an expensive fashion item.

A derived meaning of 'Welsh hat' is an ancillary stack, usually black in colour and slightly conical, attached to the funnel of a ship to ensure cleaner disposal of exhaust from the engines.