stacket means A stockade. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- A stockade.“Also, I would advise you to fortify the said sconce, not only by a foussie, or graffe, but also by certain stackets, or palisades. […] The whilk stackets or palisades should be artificially framed with re-entering angles and loop-holes, or crenelles, for musquetry, whereof it shall arise that the foemen— […]”