| 1. | any of numerous small, active songbirds of the family Troglodytidae, esp. Troglodytes troglodytes, of the Northern Hemisphere, having dark-brown plumage barred with black and a short, upright tail. Compare house wren, marsh wren, rock wren, winter wren. |
| 2. | any of various similar, unrelated birds, esp. any of several Old World warblers. |

| Wren, Sir Christopher 1632-1723. English architect who designed more than 50 London churches, most notably Saint Paul's Cathedral (1675-1710). His secular works include the Sheldonian Theatre in Oxford (1664-1669) and Trinity College Library in Cambridge (1676-1684). |