(Islam) A member of a branch of Ismaili Shi'a Muslims who believe that Isma'il ibn Jafar was the seventh and last imam (hereditary leader of the Muslim community).

7,000

A form of rugby union, played on a full-size pitch but with only seven players per side.

(biblical) The seals that secure the book or scroll that John of Patmos saw in an apocalyptic vision.

A children's game in which players with their eyes shut try to guess which of a group of seven people pressed down their thumbs.

(cricket) The batsman who bats seventh.

plural of number seven

(gambling, dice games) in the game of craps, to roll a seven after having established the "point".

(poetic) All of the oceans of the world. (In a common modern interpretation, the seven seas are the North and South Atlantic, North and South Pacific, Indian, Arctic and Antarctic, but historical interpretations differ widely; see the Wikipedia article for this.)

The cardinal number immediately following sixty-six and preceding sixty-eight.