| iris |
the colored circle around the pupil of the eye. [1/2 definitions] |
| lip |
either of the upper or lower edges of flesh that circle the mouth and are used in speech. [1/3 definitions] |
| loop |
the rounded shape made when a piece of string, ribbon, or rope is crossed back over itself or tied so that it forms a circle. [1/5 definitions] |
| meridian |
an imaginary circle around the earth that passes through the North and the South Pole, or either half of such a circle from one pole to the other. [1/2 definitions] |
| orbit |
the curved path in which a planet, satellite, or spacecraft moves in a circle around another body. [2/3 definitions] |
| parallel |
any of the imaginary lines that circle the earth in the same direction as the equator. Parallels mark degrees of latitude. [1/5 definitions] |
| pi |
a number equal to the ratio of the circumference of a circle to its diameter. The value of pi is approximately 3.1416 or 22/7. |
| radius |
a straight line from the center to the edge of a circle or sphere. [1/2 definitions] |
| revolve |
to move in a circle around a fixed point. [1/3 definitions] |
| ring1 |
the outer edge of a circle. [4/6 definitions] |
| rolling |
the motion or sound of something that is turning in a circle over and over. [1/3 definitions] |
| round |
shaped like a ball or circle. [3/14 definitions] |
| Saturn |
the second largest planet in the solar system and sixth in distance from the sun. Saturn is known for the icy rings that circle its middle. [1/2 definitions] |
| semicircle |
one half of a circle. |
| stir1 |
to mix or move in a circle with a hand or object. [1/9 definitions] |
| surround |
to form in a circle around; encircle. [1/2 definitions] |
| swing |
to cause to move in an arc or circle. [1/10 definitions] |
| treadmill |
a belt or circle of moving steps that, when walked by a person or animal, causes a wheel to turn. Treadmills are used to run machines or to give people exercise. |
| turn |
to cause to shift from one side to the other by moving in a circle. [2/22 definitions] |
| twist |
to turn in a circle or part of a circle. [1/18 definitions] |
| wrap |
to wind, circle, or turn. [1/7 definitions] |