0 a continuous curved line, the points of which are always the same distance away from a fixed central point, or the area inside such a line: --
1 a group of people with family, work, or social connections: --
2 an upper floor in a theatre or cinema where people sit to watch the performance: --
3 to move in a circle, often around something: --
When a pioneers' wagon train was attacked they circled their wagons to defend themselves.
Local teenagers would circle their cars out in cotton fields, play the radio loud, and dance.
Security staff circled the grounds of the house with guard dogs every hour.
The plane circled for an hour before receiving permission to land.
4 a continuous curved line which is always the same distance away from a fixed central point, or the area enclosed by such a line: --
5 a group of people who are connected by family, work, or society, or who share an interest: --
Open circles are for the saplings on the edge of the path, filled circles for those in the understorey.
In the immediate neighbourhood of any plant (solid concentric circles) there is an equal number of plants of each cultivar equidistant from it.
Whistlings of death and circles of faint music cause this adored body to rise, expand, and quiver like a ghost.
The circles administer secondary schools, while the regions take charge of professional schools and special education.
The next step taken was to engineer the system to facilitate the identification of the required three points on each of the circles.
Filled circles represent robots in active-pushing mode fazing to push the object and blank circles represent robots in passive mode.
The filled circles show the optimal location of robots on the object boundary.
All three graphical ways of specifying the circles are syntactic sugar for the more conventional way of entering formulas textually.