Definitions
1.NounA cord or tendon of the body.
2.NounA cord or string, particularly as of a musical instrument.
3.NounMuscular power, muscle; nerve, nervous energy; vigor, vigorous strength.
4.NounThat which gives strength or in which strength consists; a supporting factor or member; mainstay.
5.NounA nerve.
6.VerbTo knit together or make strong with, or as if with, sinews.