froe
noun
ˈfrō 
variants or less commonly frow
: a cleaving tool for splitting cask staves and shingles from the block
Example Sentences
Recent Examples on the Web This hatchet/machete lovechild is a beast for processing wood at camp (Buck's Froe is confusingly not shaped like a traditional froe, which is L-shaped, but they're used for the same purpose). 
Joe Jackson, Outside Online, 17 Oct. 2019 Children will enjoy cutting a log with a two-man saw, cleaving shingles with a mallet and froe, competing in a seed spitting contest, making dolls and other activities. Daily News Staff, The Mercury News, 5 May 2017 Named for a New York industrial arts teacher who collected early American craft and industry tools, the trove includes everything from bark spuds and froes to twibills and wool wheel fingers. Suzanne Carmick, New York Times, 6 June 2017
Joe Jackson, Outside Online, 17 Oct. 2019 Children will enjoy cutting a log with a two-man saw, cleaving shingles with a mallet and froe, competing in a seed spitting contest, making dolls and other activities. Daily News Staff, The Mercury News, 5 May 2017 Named for a New York industrial arts teacher who collected early American craft and industry tools, the trove includes everything from bark spuds and froes to twibills and wool wheel fingers. Suzanne Carmick, New York Times, 6 June 2017 Word History
Etymology
perhaps alteration of obsolete froward turned away, from Middle English; from the position of the handle
First Known Use
1574, in the meaning defined above