Definition of: nerve

(nûrv) noun
1. A cordlike structure, composed of delicate filaments, by which impulses are transmitted to or from different parts of the body. ♦ Collateral adjective: neural.
2. A tendon: used only in the phrase, to strain every nerve.
3. Anything likened to a nerve, as a rib or vein of a leaf or of an insect's wing.
4. Active strength or vigor; coolness; intrepidity.
5. plural Nervous excitability; a nervous attack. -v.t. nerved, nerv·ing To give strength, vigor, or courage to. [<L nervus sinew]
—nerv′al adjective