shaft
/ˈʃæft/ /Brit ˈʃɑːft/
noun
plural shafts
[count] :the long, narrow part of a weapon, tool, instrument, etc.
[count] :a bar in a machine which holds or turns other parts that move or spin
[count] :one of two poles between which a horse is tied to pull a vehicle (such as a carriage)
[count] an opening or passage straight down through the floors of a building
an opening or passage in a mine
[count] formal + literary :a narrow beam of light
the shaft US informal :harsh or unfair treatment
verb
shafts; shafted; shafting
[+ obj] chiefly US informal :to treat (someone) unfairly or harshly