| 1. | a thick-headed or stupid person; blockhead. |
| 2. | loggerhead turtle. |
| 3. | loggerhead shrike. |
| 4. | a ball or bulb of iron with a long handle, used, after being heated, to melt tar, heat liquids, etc. |
| 5. | a rounded post, in the stern of a whaleboat, around which the harpoon line is passed. |
| 6. | a circular inkwell having a broad, flat base. |
| 7. | at loggerheads, engaged in a disagreement or dispute; quarreling: They were at loggerheads over the distribution of funds. |
| a sea turtle, Caretta caretta, having a large head: now greatly reduced in number. |