Word.ws English Dictionary

seven-arm octopus

seven-arm octopus noun: haliphron atlanticus, a species of octopus, notable for its large size.

Noun

seven-arm octopus (plural seven-arm octopuses or (nonstandard) seven-arm octopusses or (nonstandard) seven-arm octopi or (nonstandard) seven-arm octopii or (rare) seven-arm octopodes or (rare, nonstandard) seven-arm octopus)

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

Forms of seven-arm octopus

pluralseven-arm octopuses
plural (nonstandard)seven-arm octopusses
plural (nonstandard)seven-arm octopi
plural (nonstandard)seven-arm octopii
plural (rare)seven-arm octopodes
plural (nonstandard, rare)seven-arm octopus

Origin of seven-arm octopus

Because in male seven-arm octopuses, one of their tentacles is smaller and concealed, and is often overlooked.

Questions about seven-arm octopus

What does seven-arm octopus mean?
Seven-arm octopus means haliphron atlanticus, a species of octopus, notable for its large size.
What part of speech is seven-arm octopus?
Seven-arm octopus is a noun.
What is the plural of seven-arm octopus?
The plural of seven-arm octopus is seven-arm octopuses.

Words near seven-arm octopus in the dictionary

  1. seven thousand
  2. seven virtues
  3. Seven Wonders of the Ancient World
  4. Seven Wonders of the World
  5. Seven Years' War
  6. seven-arm octopus
  7. seven-arm octopuses
  8. seven-card stud
  9. seven-day wonder
  10. seven-day wonders
  11. seven-eighths

Source and license

Adapted from Wiktionary: seven-arm octopus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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