<p><strong>Noun</strong></p><ul><li>a thick-headed or stupid person; blockhead.</li><li>loggerhead turtle.</li><li>loggerhead shrike.</li><li>a ball or bulb of iron with a long handle, used, after being heated, to melt tar, heat liquids, etc.</li><li>a rounded post, in the stern of a whaleboat, around which the harpoon line is passed.</li><li>a circular inkwell having a broad, flat base.</li></ul>