Student Dictionary

5 entries found for brain.
To select an entry, click on it.
Main Entry: 1brain
Pronunciation: primarystressbramacrn
Function: noun
1 a : the portion of the central nervous system of vertebrate animals that is the organ of thought and the central control point for the nervous system, is enclosed within the skull, and is continuous with the spinal cord b : the main nervous center in an invertebrate animal
2 a : INTELLIGENCE 1 -- often used in plural <plenty of brains in that family> b : a very intelligent person
- brainlike adjective
[brain illustration]

Pronunciation Symbols