adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Describing the original placental molars that have a talonid in the lower molar teeth, where the protocone of the upper teeth hits. Definied by George Gaylord Simpson in 1936.

Synonyms

All synonyms

zalambdodont

Etymology

Combining form from Ancient Greek τριβεo (tribeo, “rub, grind or pound”) and Ancient Greek σφήν (sphḗn, “wedge”).

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