Tang Rhymes (Tang Yun) records it as pronounced chi (falling tone). Collected Rhymes (Jiyun) also records it as pronounced chi (falling tone). The Broad Elegant (Guangya) defines it as to cut. Explaining Graphs and Analyzing Characters (Shuowen Jiezi) defines it as to injure. Certain versions of Collected Rhymes (Jiyun) write it in a variant form (duo).
Also, Tang Rhymes (Tang Yun) records it as pronounced chuo. Collected Rhymes (Jiyun) also records it as pronounced chuo. The meaning is the same.
Also, certain versions of Collected Rhymes (Jiyun) write it in a variant form (li). Supplementary Dictionary (Zihui Bu) notes the pronunciation as ce. The meaning is to cut something. Note: This is an erroneous form of the character lie.