n.
Function: noun
Etymology: alteration of 1 cord
Date: 1543
1 : CORD 3A
2 : a straight line segment joining and included between two points on a circle broadly : a straight line joining two points on a curve
3 : an individual emotion or disposition <struck a responsive chord >
4 : either of the two outside members of a truss connected and braced by the web members
5 : the straight line distance joining the leading and trailing edges of an airfoil