title="Click to show IPA pronunciation">Show IPA Pronunciation</a></span></span> </span><span class="pg">noun, </span><span class="pg">plural </span><span class="secondary-bf">-keys, </span><span class="pg">verb, </span><span class="secondary-bf">-keyed, </span><span class="secondary-bf">-key·ing. </span><div class="body"><span class="pg">noun </span><table class="luna-Ent"><tr><td valign="top" class="dn">1.</td><td valign="top">any mammal of the order Primates, including the guenons, macaques, langurs, and capuchins, but excluding humans, the anthropoid apes, and, usually, the tarsier and prosimians. <span>Compare <a href="/search?q=New World monkey" style="font-variant:small-caps;">New World monkey</a>, <a href="/search?q=Old World monkey" style="font-variant:small-caps;">Old World monkey</a>.</span> </td></tr></table>