Macmillan Dictionary

Plane

1 an aircraft with wings and at least one engine

2a level of thought, development, or existence

House

1[countable] a building for living in, usually where only one family lives

2[countable] a company or organization involved in a particular activity

Love

1[never progressive] to be very strongly attracted to someone in an emotional and sexual way

2[never progressive] to care very much about someone, especially members of your family or close friends

Squirrel

1. a grey or red-brown animal with a long thick tail that lives in trees

Song

1[countable] a piece of music with words that you sing

2[uncountable] the art or activity of singing

3[countable/uncountable] the musical sound that a bird makes

Blood

1the red liquid that flows around inside your body

2the family, nation, or group that you belong to through your parents and grandparents

3used as a way of referring to violence and death

Shop

1[countable] a place where you buy things or where you pay for a service

2[countable] a business where something is made or repaired

3[uncountable] American a school subject in which students learn to work with tools and machines

Egg

1[countable] the round object with a shell that a female bird produces and a baby bird develops in. The mother bird lays an egg, and later the egg hatches and the baby bird comes out

2[countable] a small object produced by a female insect, frog, snake etc, that a young animal comes out of

3[countable] biology a cell produced inside a woman or female animal that develops into a baby if it is fertilized by a sperm (=a male cell)

Couple

1[singular] informal two things or people of the same type

2[countable] two people who are married or involved in a romantic relationship with each other

Smile

1[intransitive] to raise the corners of your mouth when you are happy, pleased, or being friendly, or when you think something is funny

2[intransitive] to think that something is funny or pleasant

3[intransitive] mainly literary if something such as luck or heaven smiles on you, you are successful, or you have good luck

Source: http://www.macmillandictionary.com/