noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A treelike data structure each of whose nodes has up to eight children, most often used to partition a three-dimensional space by recursively subdividing it.

Etymology

From oct- + tree.

Related phrases

binary treedata structurethree dimensional

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