The Collaborative International Dictionary of English v.0.48:
Hockle \Hoc"kle\, v. t. [imp. & p. p. Hockled; p. pr. & vb. n.
Hockling.] [From 2d Hock.]
1. To hamstring; to hock; to hough. --Hanmer.
[1913 Webster]
2. To mow, as stubble. --Mason.
[1913 Webster]