to finish an activity or complete sth in a good or suitable way
round sth off (with sth)
to finish an activity or complete sth in a good or suitable way
She rounded off the tour with a concert at Carnegie Hall.
round sth off (with sth)
to take the sharp or rough edges off sth
You can round off the corners with sandpaper.
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición