What does "megahex" mean?

A regular, quasi-circular polygon made up of multiple hexagons used to indicate a different scale, range, or area of effect on a hexagonal grid. Commonly used on maps for some tabletop war games and roleplaying games.

Megahex

//ˈmɛɡəhɛks// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A regular, quasi-circular polygon made up of multiple hexagons used to indicate a different scale, range, or area of effect on a hexagonal grid. Commonly used on maps for some tabletop war games and roleplaying games.
"All creatures within five megahexes of the wizard will be thrown to the ground, and take one hit damage from cuts, bruises, and contusions."
2
An irregular grouping of hexagons indicating a single area on hexagon-based game map. rare
"There's one irregular and over-sized "mega hex" on the map: the "Shobu Group Base Area" in west-central Luzon."

Example

More examples

"All creatures within five megahexes of the wizard will be thrown to the ground, and take one hit damage from cuts, bruises, and contusions."

Etymology

From mega- + hex, the contracted form of hexagon.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.