Mao Collection, Middle Volume. Radical: Hand (shǒu). Kangxi strokes: 9. Page 425, Entry 03.
Pronounced pao.
Shuowen Jiezi (Explanation of Simple and Compound Characters): To abandon.
Guangyun (Broad Rhymes): To throw.
Also pronounced pao (falling tone). Meaning is the same.
In military use, a machine for launching stones is called a throwing cart.
Book of the Later Han (Hou Hanshu), Biography of Yuan Shao: Cao Cao used stone-launching carts to attack Yuan Shao's army; they were called thunderbolt carts.
Annotation: These are what are known today as throwing carts.
Book of Tang (Tangshu), Biography of Goguryeo: Li Ji arranged throwing carts to launch large stones; wherever they struck, the enemy ranks collapsed.
Jiyun (Collection of Rhymes): Also written as a variant form.
Shuowen Jiezi (Explanation of Simple and Compound Characters): Or written with the hand radical and the element piao acting as a phonetic marker. Commonly used interchangeably with the character biao. See the detailed entry for the character biao.
Jiyun (Collection of Rhymes), Yunhui (Collection of Rhymes and Notes), Zhengyun (Correct Rhymes): Sometimes also written as the character bao. See the detailed entry for the character bao.