(jād) noun
1. A hard, tough, greenish or white silicate, used for making ornaments and including chiefly two species: jadeite and nephrite.
2. The greenish color of jade; jade green. [<F jade, var. of ejade <Sp. (piedra de) ijada (stone for) colic, lit., the side, ribs]

(jād) noun
1. An old, worn–out horse.
2. A worthless person; specifically, a hussy.
3. A woman: ironical usage.
—v.t. & v.i. jad·ed, jad·ing To weary or become weary by hard service; tire. See synonyms under TIRE¹. [Origin uncertain]