1. The cardinal number equal to 7 + 1.
2. The eighth in a set or sequence.
3. Something having eight parts, units, or members, especially:
a. Sports An eight-oared racing shell.
b. An eight-cylinder engine or motor vehicle.
[Middle English eighte, from Old English eahta; see oktō(u) in the Appendix of Indo-European roots.]
eight adj. & pron.
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