<p><strong>Noun:</strong></p><ul><li>the upper edge of anything hollow; rim; brink: the brim of a cup.</li><li>a projecting edge: the brim of a hat.</li><li>margin.</li></ul><p><strong>Verb:</strong></p><ul><li>to be full to the brim.</li><li>to fill to the brim.</li></ul>