<p><strong>Noun</strong></p><ul><li>a small, close group or cluster, especially of trees or other plants.</li><li>a lump or mass.</li><li>a heavy, thumping step, sound, etc.</li><li>a cluster of agglutinated bacteria, red blood cells, etc.</li><li>a thick extra sole on a shoe.</li><li>a small, roundish mass of matter regurgitated by certain predatory birds, consisting of the indigestible remains of the prey.</li><li>(in Romanesque architecture) a hemispherical or disklike carved ornament.</li><li>a golden ball traditionally borne as an emblem of sovereignty; orb.</li></ul><p><strong>Verb</strong></p><ul><li>to walk heavily and clumsily.</li><li>to gather or be gathered into clumps; agglutinate.</li><li>to gather or form into a clump; mass.</li></ul>