noun

1. A bundle of neurons with their connective tissue sheaths, blood vessels and lymphatics.

   “The nerves can be seen through the skin.”

2. A neuron.

3. A vein in a leaf; a grain in wood

   “Some plants have ornamental value because of their contrasting nerves.”

Synonyms: balls, brashness, brazenness

verb

1. To give courage.

   “May their example nerve us to face the enemy.”

2. To give strength; to supply energy or vigour.

   “The liquor nerved up several of the men after their icy march.”