dial. f. ONE pron. (senses 22 and 24).

1

1821.  Scott, Kenilw., xii. Here’s a gentleman … has given Sir Hugh a draught that is worth twenty of yon un.

2

1859.  Geo. Eliot, A. Bede, xx. ‘It [a rose] smells very sweet,’ he said; ‘those striped uns have no smell.’

3