The adjective octuple (Latin octu-plus) may also be used as a noun, meaning "a set of eight items"; the diminutive octuplet is mostly used to refer to eight siblings delivered in one birth.

EIGHT definition: a cardinal number, seven plus one. See examples of eight used in a sentence.

Eight is the dimension of the octonions and is the highest possible dimension of a normed division algebra. The number 8 is involved with a number of interesting mathematical phenomena related to …

1. a cardinal number, seven plus one.

something numbered eight or having eight units, as a playing card, throw of dice, etc.

being or denoting a numerical quantity but not order noun one of four playing cards in a deck with eight pips on the face synonyms: eight-spot see more see less

Apr 15, 2026 · (playing cards) Any of the four cards in a normal deck with the value eight. (nautical) A light, narrow rowing boat, especially one used in competitive rowing, steered by a cox, in which eight …