| T | echidnas |
|---|---|
| T | type genus of the family Tachyglossidae |
| T | a basic or basalt glass |
| T | a theodolite designed for rapid measurements |
| T | a genus of Limulidae |
| T | indicated by necessary connotation though not expressed directly |
| T | (law) tacit approval of someone's wrongdoing |
| T | in a tacit manner |
| T | habitually reserved and uncommunicative |
| T | the trait of being uncommunicative |
| T | without speaking |
| T | sailing a zigzag course |