| April |
the fourth month of the year. April has thirty days. |
| April Fools' Day |
the first day of April, when friendly tricks and jokes are played on people. |
| apron |
a garment that covers all or part of the front of the body. An apron is worn to protect the clothing underneath. |
| apt |
right for a particular situation; appropriate or suitable. [3 definitions] |
| apt. |
abbreviation of "apartment." |
| aptitude |
ability to learn quickly. [2 definitions] |
| aqua |
the color that comes from mixing blue, green, and a small amount of white paint. |
| aquaculture |
the farming of plants and animals that live in water. |
| Aqua-Lung |
trademark for an underwater breathing device. |
| aquarium |
a tank or other container filled with water in which water animals and plants are kept. [2 definitions] |
| Aquarius |
a constellation located between Capricorn and Pisces. Aquarius is also called the Water Bearer. [3 definitions] |
| aquatic |
of or taking place on the water. [2 definitions] |
| aqueduct |
a channel or pipe built to carry water over a long distance. [2 definitions] |
| aquifer |
a layer of rock, sand, or gravel that contains water from which wells and springs are supplied. |
| -ar1 |
a suffix that means "of" or "relating to." [2 definitions] |
| AR |
abbreviation of "Arkansas." |
| Arab |
a member of a southwest Asian people that makes up most of the population of Arabia and other parts of the Middle East. [4 definitions] |
| Arabia |
a peninsula in southwest Asia between the Red Sea and the Persian Gulf. |
| Arabian |
of, having to do with, or characteristic of Arabia or its desert climate. [3 definitions] |
| Arabian Desert |
a very dry region that covers a large part of Saudi Arabia, Yemen, and Oman, and stretches into Jordan and Iraq. |
| Arabian Peninsula |
a peninsula in the Middle East on which lie the countries of Saudi Arabia, Yemen, Oman, United Arab Emirates, Qatar, Bahrain, and Kuwait. The peninsula lies between the Red Sea to the west and the Persian Gulf to the northeast. The Indian Ocean borders the peninsula on the southeast. |