noun
Meaning 1
The most ancient part of the brain.
Definition source: English Wiktionary via Wiktextract
Usage: no-plural
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Standard Lemma guide
paleoencephalon
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
Meaning 2
the more primitive parts of the brain phylogenetically; most structures other than the cerebral cortex
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: paleencephalon, palaeencephalon
Antonyms: none provided
Broader terms: neural structure
History
Etymology
Etymology tree Ancient Greek πᾰλαιός (pălaiós)der. English paleo- English encephalon English paleoencephalon From paleo- + encephalon.