noun
Meaning 1
A minuscule or slight vibration; specifically, a vibration in brain tissue caused by the comparatively greater vibrations of the particles of the medullary substance of the nerves (formerly hypothesised to convey external impressions to the mind).
Definition source: English Wiktionary via Wiktextract
Usage: historical
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided