(circulars)
1.
Something that is circular is shaped like a circle.
...a circular hole twelve feet wide and two feet deep...
Place your hands on your shoulders and move your elbows up, back, and down, in a circular motion.
ADJ: usu ADJ n
2.
A circular journey or route is one in which you go to a place and return by a different route.
Both sides of the river can be explored on this circular walk.
ADJ: usu ADJ n
3.
A circular argument or theory is not valid because it uses a statement to prove something which is then used to prove the statement.
ADJ
4.
A circular is an official letter or advertisement that is sent to a large number of people at the same time.
The proposal has been widely publicised in BBC-TV press information circulars sent to 1,800 newspapers.
N-COUNT