noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Alternative spelling of brain stem. alt-of, alternative
2. 2
   the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus wordnet

Synonyms

All synonyms

brain stembrain-stem

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