sinew
/ˈsɪnjuː/noun
High School
1
A cord or tendon of the body.
2
A cord or string, particularly (music) as of a musical instrument.
3
Muscular power, muscle; nerve, nervous energy; vigor, vigorous strength.
4
That which gives strength or in which strength consists; a supporting factor or member; mainstay.
5
A nerve.
#obsolete