Fourtino

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    Any astronomical object, on the edge of the Kuiper Belt, whose orbit has a 1:4 resonance with the planet Neptune. informal

Etymology

Blend of four + plutino.

Related phrases

kuiper belt

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