angle
The shape or space formed by two lines meeting at one point.

axis
A real or imaginary line about which an object turns or seems to turn.

clogs
Heavy shoes or sandals with a wooden sole.

equator
An imaginary circle on the earth halfway between the North and South Poles marking the dividing line between the Northern and Southern Hemispheres.

gnomon
The pointer (stick) on a sundial, which by its shadow, shows the hour of the day. It is usually set parallel to the earth's axis.

hemisphere
1. Half of a sphere or globe. 2. One of the halves into which the earth is divided.

hieroglyphics
Ancient Egyptian style of writing based on picture symbols.

horizon
The line where the sky and the ground seem to meet.

hour
A period of time equal to 60 minutes.

obelisk
A tall four-sided pillar of stone that narrows to a pyramid shape on top.

peasant
In Europe or Asia, a small farmer or farm laborer.

rotation
A turning or moving about a central point.

shadow
A dark area made when rays of light are blocked by a person or thing.

sundial
A device that consists of a plate with numbers and a pointer that casts a shadow. It shows the time of day by the movement of the shadow across the numbers.

timepiece
Any instrument used to measure time; a watch or a clock.

uniform
The same throughout.

vertical
In a straight up and down position.