circular

cir|cu|lar /s'ɜːrkjʊlər/ (circulars)
1 [ADJ] usu ADJ n
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.
see also semi-circular
2 [ADJ] usu ADJ n
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.
3 [ADJ]
A circular argument or theory is not valid because it uses a statement to prove something which is then used to prove the statement.
4 [N-COUNT]
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.cir|cu|lar saw (circular saws)
[N-COUNT]
A circular saw is a round metal disk with a sharp edge which is used for cutting wood and other materials. (BRIT; in AM, use buzzsaw)

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