A piece of work that has been assigned
A difficult or tedious undertaking
He said he had a chore to do.
Thanks to Alex, that chore had been turned into a simple twist of a knob.
Carmen used the chore of setting the table to avoid his gaze.
Directing our tips was not an easy chore either.
I was left sitting on my hands until the appointed hour of Howie's nap before Betsy assigned me the chore of remaining in the small room while he slept.