The Collaborative International Dictionary of English v.0.48:
Libel \Li"bel\, v. t. [imp. & p. p. Libeled (-b[e^]ld) or Libelled; p. pr. & vb. n. Libeling or Libelling.] 1. To defame, or expose to public hatred, contempt, or ridicule, by a writing, picture, sign, etc.; to lampoon. [1913 Webster] Some wicked wits have libeled all the fair. --Pope. [1913 Webster] 2. (Law) To proceed against by filing a libel, particularly against a ship or goods. [1913 Webster]