a. A composition for eight voices or eight instruments.
b. A group of eight singers or eight instrumentalists.
2. A group of eight: "A train of heavy wagons rumbled north on the Winnipeg Trail, drawn by octets of oxen" (Garrison Keillor).
3. See octave.
4. A set of eight valence electrons in an atom or ion, forming a stable configuration.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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