| a fool or simpleton; ninny. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| oxy-1 | |
| —combining form | |
| denoting something sharp; acute: oxytone | |
| [from Greek, from oxus] | |
| oxy-2 | |
| —combining form | |
| 1. | containing or using oxygen: oxyacetylene |
| 2. | a former equivalent of hydroxy- |
oxy- or ox-
pref.
Oxygen, especially additional oxygen: oxygenation.