A pin which could be inserted through a hole in order to secure something such as a bolt: they were typically made of iron and used frequently in connection with church bells.
Just two examples have been noted, and the inference is that they referred to a type of comfortable chair, possibly a structure on which one might recline.
The OED links these two spellings with meanings such as 'imitated, forged' or 'made to a pattern, wrought', even 'made of inferior materials' but in Yorkshire some examples suggest that it came to mean a basin, made of some kind of metal.
In the great manor of Wakefield the court baron handled the transfers of land by its tenants, and their registration was considered an essential process. The verb ‘to court’ recorded successful transfers.
Doubtless a type of ‘brake’, that is an implement for beating and crushing flax, possibly made of wood from the crab-tree, or an allusion to its claw-like shape, but the exact meaning is not clear.