blue

[having the color like that of a clear sky]

My son has blue eyes.

boat

[something built to travel on water that carries people or goods]

I like to fish from a boat.

body

[(1) all of a person or animal; (2) the remains of a person or animal]

Exercise can improve anyone's body. (1)

Police found five bodies buried beneath the house. (2)

boil

[to heat a liquid until it becomes very hot]

Boil one cup of water, add frozen vegetables and cook for five minutes.

bomb

[(1) a device that explodes with great force; (2) to attack or destroy with bombs]

The bomb exploded outside the building. (1)

The warplanes bombed enemy missile launchers. (2)

bone

[the hard material in the body]

The girl broke a bone in her wrist when she fell.

book

[a long written work for reading]

The professor has written six books about East Asia.

border

[a dividing line between nations]

Many new factories have been built across the border in Mexico.

(be) born

[(1) to come to life; (2) to come into existence]

When were you born? (1)

The American Revolution was born in Massachusetts. (2)

borrow

[to take as a loan]

The bank refused to let me borrow any more money.

both

[not just one of two, but the two together]

Both of us were educated at the University of Virginia.

bottle

[a container, usually made of glass, to hold liquid]

He drank the last bottle of water.

bottom

[the lowest part of something]

The damaged submarine is still at the bottom of the ocean.

box

[something to put things into]

Put the old books in that box.

boy

[a young male person]

The boys played together after school.

boycott

[to refuse to take part in or deal with]

The farm workers union called for a boycott of vegetables picked by foreign workers.