n. 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. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.