second brain
The term "second brain" can refer to either a biological system in the body or a metaphorical concept for information management.
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Definition
C1Anatomy
(informal)A complex network of neurons in the gastrointestinal tract that functions independently to regulate digestion.
Example
- Scientists often refer to the enteric nervous system as the body's second brain.
B2Productivity
(informal, metaphorical)A system or tool, like a digital note-taking app, used to store and organize information to enhance memory and cognitive functions.
Example
- Using a note-taking app as a second brain helps me keep track of my ideas and tasks.
Similar
Terms that have similar or relatively close meanings to "second brain":