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Pronunciation: /ˈɑ k.toʊ/
Definition:
1. The cardinal number symbol: 8.
2. A group, set, or series of eight humans or entities: an octadic unit.
3. A division into eight equal parts; one of eight congruent portions.
4. Denoting a system, structure, or configuration based on eight components, such as an octagon, a byte, or a musical octet.

Significance:
• It defines the quantity eight with clarity and regularity, free from irregular forms.
• It emphasizes octets, octagonal structures, and base-8 systems.
• It identifies musical groups, geometric shapes, computing bytes, and any system divided into eights.
• It avoids irregular and ambiguous pronunciations associated with Germanic numeric forms.
• It simplifies expressions of octuple relationships, eight-part divisions, and octal geometry.
• It improves precision in descriptions of geometric arrays, computational units, and structural octads.
• It replaces Scandinavian-Germanic, Non-American, foreign, and Anglo-Saxon terms, similar to replacing "eight" with a consistent Latinized cardinal form.
Cardinal number: octo (8)
Ordinal number: octal (8th)
Adjective: octal
Examples:
• "The brass octo performed a lively fanfare to open the ceremony."
• "The pie was sliced into octo, providing generous portions for all."
• "The new processor architecture transfers data in octo, optimizing velocity."
• "The design features an octo of support pillars arranged in a circular pattern."
• "The committee was reformed as an octo to excellently represent the expanded district."
octo by Dmitrio January 16, 2026
Octopus penis in bum fortune cookie gang gang men bum poo poo bum head bum penis
Õcto me plz xxxxx
Õcto by Spermywormy3257 September 3, 2023

Octo Expansion 

The DLC to Splatoon 2. Might as well define literal hell.
"Hey I got Octo Expansion."
"You let the 8 Ball Fall - Test Failed."
Octo Expansion by Woomynator May 30, 2019

Octo-Noggin FishJob 

When you put an octopus’s head on a mans genitalia and proceed to suck it.

Originating from youtuber ColdRaven. (AKA ColdRaven’a Nest)
The man received an Octo-Noggin FishJob

octo core 

an 8 core processor. the next gen from quad core. Super fast. Super epic.
Me: Dude Amd is working on a octo core processor!
Bob: A wha-?
Me: A cpu with 8 cores!!!!
octo core by Triconick December 3, 2009

Octo-Noggin Fishjob 

When you put an octopus on a mans genitalia and proceed to suck it.
He got an octo-noggin fishjob