<p><strong>Noun:</strong></p><ul><li>plural J's or Js, j's or js.</li><li>the tenth letter of the English alphabet, a consonant.</li><li>any spoken sound represented by the letter J or j, as in just, major, or rajah.</li><li>something having the shape of a J.</li><li>a written or printed representation of the letter J or j.</li><li>a device, as a printer's type, for reproducing the letter J or j.</li></ul>