round off

verb rounds off · rounding off · rounded off

1. transitive To change the shape of (an object) to make it smoother and especially more circular or ovoid.
2. intransitive, transitive To change (a number) to an approximation having fewer significant digits. The instructions say that we are not to round off until we reach the final figure. [in a calculation with interim steps]
3. transitive To complete or finish something. After this general training the apprentices are usually employed for a year or two as supernumeraries, being engaged to a large extent on special enquiries, a type of work well suited to rounding off their training and also to assisting both the company and the men to ascertain the type of work for