to prolong (something) in time or space
to lay down the lines and angles of (something) with a scale and protractor
said of a muscle: to extend (a part of the body) forward or outward
protracted adj
protractedly adv
protraction /-sh(ə)n/ noun
[Latin protractus, past part. of protrahere to draw forward, from pro-1 + trahere to draw]