| banjo |
a musical instrument with a circular body, a long neck, and four or five strings that are plucked or strummed. |
| basketball |
a game played on a court by two teams of five players each. Points are scored by shooting the ball through a high metal hoop and net at the opponent's end of the court. [1/2 definitions] |
| bat2 |
a small mammal that flies. Bats have small bodies and large wings covered with skin. Most bats eat at night, when they use sound to find and catch flying insects. Bats are found in most parts of the world. There are around one thousand kinds of bats. Their wingspans range from less than two inches to more than five feet. Some kinds of bats live in large colonies that roost in caves or in a section of forest. |
| binary system |
a numbering system with a base of two. In binary numbers, any number can be expressed by 1, 0, or a combination of these. The number five is written as "101" in the binary system. |
| borough |
one of the five divisions of New York City: Manhattan, Brooklyn, Richmond (Staten Island), Queens, and the Bronx. [1/2 definitions] |
| columbine |
a plant related to the buttercup whose flowers have five long petals. |
| dinosaur |
one of a group of extinct animals. Some kinds of dinosaurs were the largest animals that ever lived on land. Other dinosaurs were as small as chickens. The first kinds of dinosaurs developed over two hundred million years ago. The last kinds became extinct about sixty-five million years ago. |
| fifth |
one of five equal parts of a whole; 1/5. [1/3 definitions] |
| fifty |
the number that is equal to five times ten; 50. [1/3 definitions] |
| filly |
a young female horse, usually one that is five years old or younger. |
| finger |
one of the five jointed parts at the end of the hand. Sometimes the thumb is not counted as a finger. [1/3 definitions] |
| five |
being five in number. [1/3 definitions] |
| gibbon |
a kind of primate that lives in Asian rain forests. Gibbons are small apes that can weigh up to twenty-five pounds. They have long arms and can swing quickly through trees. All kinds of gibbons are endangered. |
| Great Lakes |
five large, connected freshwater lakes of North America. They lie on the border between the United States and Canada; Lakes Superior, Michigan, Huron, Erie, and Ontario. |
| guitar |
a stringed instrument with a long neck and five, six, or twelve strings that are strummed or plucked. |
| haiku |
a Japanese verse form made of three lines, or any poem written in this form. The first line has five syllables, followed by a line of seven syllables, then another line of five. |
| Lake Superior |
a large lake that lies between the United States and Canada. Lake Superior is the westernmost and largest of the five Great Lakes. |
| limerick |
a humorous poem that has five lines, with the first two lines rhyming with the last, and the third and fourth lines rhyming with each other. |
| mandolin |
a musical instrument in the lute family with four or five pairs of strings that are usually strummed. |
| middle age |
the period of human life between youth and old age, or the years between forty and sixty-five. |
| middle-aged |
of a person, being of an age between youth and old age. A middle-aged person is often between forty and sixty-five years of age. |