1) (to cause oneself, something etc) to go round a closed path; move from place to place freely (circulate)

2) to go round (a place) to see that all is well, to look out for people doing wrong, in need of help etc (patrol)

3) to go round in a circle; to think about all sides of (a problem etc) (revolve)

4) not using the shortest or most direct route; a circular area where several roads meet causing traffic to go round instead of directly across (roundabout)

5) (an instance of) the movement, act, of going round and round; to make (thread) by making wool, cotton etc go round and round and become long and thin (spin)

6) to go round and cover (something) (wreathe)

7) the time taken by the Earth to go round the Sun, about 365.25 days; (also called the 'calendar year') the period from 1 January to 31 December; any period of 365 consecutive days (year)