| zodiac |
an imaginary belt in the heavens that includes the paths of the sun, moon, and planets as seen from the earth. The zodiac is divided into twelve equal signs or parts. Each part is named for a constellation that appears within the belt. |
| zone |
an area that is divided from other areas because of a particular use or some other special quality. [3 definitions] |
| zoo |
a place where living animals, especially wild ones, are kept for people to look at. The word "zoo" is short for "zoological garden." |
| zoo- |
a prefix that means "animal." |
| zoology |
the science and study of animals. |
| zoom |
to move quickly while making a low humming sound. [2 definitions] |
| zucchini |
a type of summer squash that is shaped like a cucumber and has a smooth, dark green skin. |