Touser

He [a correspondent] continues:—‘[‘]If you were in Buryan Church-town this evening, you might probably hear Betty Trenoweth say, ‘I ’ll take off my touser, [toute serve,] and run up to Janey Angwins to cousey [causer] a spell; there ’s a lot of boys gone in there, so there ’ll be a grand courant, [de courir,] I expect.’[…]” The touser is a large apron or wrapper to come quite round and keep the under garments clean.

Source: wiktionary

Leah is comely in the sunshine, Madelon thinks, with her freshly-colored, strongly-marked old Cornish face, framed by black hair just flecked with white, under the broad hat such as the fishwives wear; and the white touser, or quaint apron, gives a natty look to the shortgown.

Source: wiktionary

The women, when gathering fuel, often carried a sack to put it in and brought it home on their heads. Other used their “tousers” to carry it up. The touser is a big apron made of sacking with four strings to tie it, two long ones to tie around the waist and two short to tie behind, lower down. They would fill up the touser and tie up the four corners and also carry that on their heads.

Source: wiktionary

For outdoor work, which she [Mary] was expected to do, she wore a touser apron: a flour sack cut open and sewn into an apron.

Source: wiktionary