Seven (numeral)

1. A cardinal number; one more than six and one less than eight.
2. A group or set of seven people or things.

Origin:

From middle english seven, seoven, seofen, from old english seofon, from proto-germanic *sebun. cognate with dutch zeven, german sieben, swedish sju.

Examples:

1. My daughter is turning seven years old next month.
2. There are seven days in a week.
3. The Pleiades, also known as the Seven Sisters, is a star cluster in the constellation Taurus.
4. The seven deadly sins are lust, gluttony, greed, sloth, wrath, envy, and pride.
5. Snow White and the Seven Dwarfs is a classic fairy tale.