What is allen key

a small tool used for turning an Allen screwhttp://www.blogger.com/img/blank.gif

What is albatross

a very large white bird with long wings that lives in the Pacific and Southern Oceans

What is alarm clock

a clock that you can set to ring a bell, etc. at a particular time and wake you up

What is airship

a large aircraft without wings, filled with a gas which is lighter than air, and driven by engines

What is air mattress

a large plastic or rubber bag that can be filled with air and used as a bed

What is airliner

a large plane that carries passengers

What is aircraft

any vehicle that can fly and carry goods or passengers