Meaning

• Noun

  1. A bundle of neurons with their connective tissue sheaths, blood vessels and lymphatics.
  2. (colloquial) A neuron.
  3. A vein in a leaf; a grain in wood.
  4. Courage; boldness; audacity; gall.
  5. Patience; stamina; endurance, fortitude.
  6. One's neural structures considered collectively as, and conceptually equated with, one's psyche.
  7. Mental agitation caused by fear, stress or other negative emotions.
  8. The elastic resistance of raw rubber or other polymers to permanent deformation during processing.
  9. (obsolete) Sinew, tendon.

• Verb