Shapes

a completely round, plain shape

She used a compass to draw a small circle on the map.

a shape with four equal straight sides and four right angles, each measuring 90°

Each tile on the bathroom floor was a small square shape.

(geometry) a flat shape consisting of three straight sides and three angles

The artist used a triangle shape to create a dynamic composition.

(geometry) a flat shape with four right angles, especially one with opposing sides that are equal and parallel to each other

In geometry class, they practiced calculating the area of a rectangle.

rounded in shape but wider in one direction, such as the shape of an egg

The oval mirror hung above the dresser, reflecting the room's decor with its elegant curvature.

a naturally occurring, extremely hard crystalline form of carbon, prized as a gemstone

(astronomy) a shining point found in large numbers in the night sky

I looked up at the night sky and saw a shooting star.

(in geometry) a three-dimensional surface where all points are equidistant from a center

In art class, they learned to sculpt a sphere from clay.

a three-dimensional figure made of six square or rectangular faces

The dice used in board games are typically shaped like cubes.

(geometry) a solid or hollow shape with two circular bases at each end and straight parallel sides

The glass on the table was in the shape of a tall, slender cylinder.

(geometry) a three dimensional shape with a circular base that rises to a single point

The traffic cones were placed along the road to redirect vehicles during the construction work.

a stone monument built in ancient Egypt usually as a tomb for the pharaohs, which has a triangular or square base that slopes up to the top

Tourists flock to see the ancient pyramids in Egypt.

a three-dimensional geometric shape with six rectangular faces, resembling a box or a rectangular prism

either half of a sphere

The sports arena's roof was designed in the shape of a hemisphere.

(geometry) a solid figure with flat sides and two parallel ends of the same size and shape

(geometry) any flat shape with four straight sides, the opposite sides of which are equal and parallel to each other

(geometry) a flat shape with four flat sides, two of which are parallel

a curved shape with narrow points at the ends that appears wider in the middle, like the shape of the moon in its first and last quarters

The moon hung low in the sky, its slender crescent casting a gentle light.

to go across or to the other side of something

Every morning, he crosses the bridge on his way to work.

to move or extend in a continuous and widening circular pattern

The smoke has spiraled upward from the chimney into the night sky.

a diamond shape frame covered with a paper or cloth with a string attached to it that can fly in the wind

a flat geometric shape consisting of three straight sides and one right angle

(geometry) a four-sided figure with opposite equal angles, forming a diamond shape

The pattern on the floor was made of blue and white lozenges.

(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points

The Earth is not quite a sphere but is better described as an oblate spheroid flattened at the poles.

any half of a circle

The children sat in a semicircle around the teacher during story time.

a geometric shape with five angles and five straight sides

The flag of the city had a pentagon in the center, symbolizing the five founders.

(geometry) a closed shape with six straight sides and six angles

She decided to tile her bathroom floor with hexagon-shaped tiles.

a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles

My young daughter proudly showed me the colorful heptagon she had cut out for her geometry homework assignment.

(geometry) a polygon consisting of eight straight sides and eight angles

The stop sign is shaped like an octagon.

(geometry) a flat shape consisting of nine straight sides and nine angles

(geometry) a flat polygon with ten straight sides and ten angles

Architects sometimes incorporate shapes like the decagon into their designs for a unique appearance.

a five-pointed star

He wore a necklace with a pentagram pendant.

(geometry) a flat star-shaped figure with six points that can be formed by making equilateral triangles on each side of a regular hexagon

(geometry) a shape that consists of a line alternating its direction to left and right

(geometry) a flat figure consisting of eleven straight sides and eleven angles

(geometry) a flat figure that consists of twelve sides and twelve angles

a polygon with thirteen sides and thirteen angles

a rectangular figure that has unequal adjacent sides with arched angles

The rug in the living room was an attractive oblong with intricate patterns.

a solid shape resembling a donut or ring, made by spinning a circle around a line that does not cut through the circle

The handle of a coffee mug is shaped like a torus, providing a comfortable grip.

a line or shape that is not straight and bends gradually

He drew a curve on the paper to represent the arc of the ball's trajectory.

having an equal distance from each other at every point

The two lines on the graph are parallel, indicating no change in their relationship.

(geometry) a closed plane curve that has two focal points