noncontent

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. One who gives a negative vote in the House of Lords.

from the GNU version of the Collaborative International Dictionary of English

• n. One who gives a negative vote; -- sometimes abridged into noncon. or non con.

from The Century Dictionary and Cyclopedia

• n. In the House of Lords, one who gives a negative vote, as not being satisfied with the measure.