ha'penny
Noun
Meaning
an English coin worth half a penny
Source: WordNetSynonyms
Hypernyms
Examples
His first recorded experiment was the construction of a voltaic pile with seven ha'penny coins, stacked together with seven disks of sheet zinc, and six pieces of paper moistened with salt water.
Shove ha'penny citation and Bat and trap citation were also popular in pubs south of London.