| Answer | Crossword Clue |
|---|---|
| PREFIX | Tri for one |
| TETRA | Tri- plus one |
| TETRA | Tri, plus one |
| TETRA | Tri plus one |
| TETRA | One more than tri- |
| MONO | One-third of "tri-" |
| MONO | One-third of tri- |
| TETRA | One more than tri |
| TETRA | One more than "tri" |
| HBO | One-third of Tri-star Pictures |
| tetrapod | object, as a caltrop, having four projections radiating from one central node, with each forming an angle of 120┬░ with any other, so that no matter how the object is placed on a relatively flat surface, three of the projections will form a supporting tri |
