| THA | a line following the lowest points of a valley |
|---|---|
| THA | the middle of the chief navigable channel of a waterway that forms the boundary line between states |
| THA | the longest river in England |
| THA | the longest river in England |
| THA | the tenth month of the civil year |
| THA | a genus of Formicariidae |
| THA | garter snakes |
| THA | yellow- or reddish-striped snake of temperate woodlands and grasslands to tropics |
| THA | slender yellow-striped North American garter snake |
| THA | widespread in North America |
| THA | the branch of science that studies death (especially its social and psychological aspects) |
| THA | a morbid fear of death |