(historical) A war fought between 1754 and 1763 between almost every European great power of the time, partly over colonies and partly over Austria's desire to recover Silesia from the Prussians. The main conflict occurred in the seven-year period from 1756 to 1763.

singular of seven-league boots

Alternative form of dance of the seven veils

Synonym of at sixes and sevens

Seven English-language curse words, often referred to as being the most obscene. The words, in the order George Carlin originally listed them, are: shit, piss, fuck, cunt, cocksucker, motherfucker, and tits.

(gambling) A superstitious incantation hoping for a favorable initial (comeout) roll of seven or eleven in the game of craps.

Haliphron atlanticus, a species of octopus, notable for its large size.

plural of seven-day wonder

Synonym of nine-day wonder / (uncommon) An individual or a process which requires only seven days to be perfected.

Seven man-made structures that were listed and accepted as the greatest such in the vicinity of the Eastern Mediterranean and Near East. (The Hanging Gardens of Babylon, the Pyramids of Giza, the Statue of Zeus, the Temple of Artemis, the Colossus of Rhodes, the Mausoleum of Halicarnassus, and the Lighthouse of Alexandria.)