Păx'wăx or Păx'y-wăx'y, n.

n. [Called also packwax and faxwax.] [Ger. haarwuchs, the sinewy extremity of the muscles.] A strong, stiff cartilage running along the sides of a large quadruped to the middle of the back, as in an ox or horse, and apparently assisting to support the head in an horizontal position; — so called by butchers. Paley.