adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of or relating to those structures of the brain's limbic system that (according to the triune brain model) arose early in mammalian evolution and were responsible for the motivation and emotion involved in feeding, reproductive behavior, and parental behavior. not-comparable

Etymology

From paleo- + mammalian.

Related phrases

limbic systemtriune brain

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