| ACU | ending in a sharp point |
|---|---|
| ACU | a quick and penetrating intelligence |
| ACU | sharpness of vision |
| ACU | nonsteroidal anti-inflammatory drug (trade names Acular and Toradol) that is administered only intramuscularly |
| ACU | small spiny outgrowth on the wings of certain insects |
| ACU | having or resembling a stinger or barb |
| ACU | having or resembling a stinger or barb |
| ACU | a sharp-pointed process especially a sting of a hymenopterous insect |
| ACU | a stiff sharp-pointed plant process |
| ACU | shrewdness shown by keen insight |
| ACU | a tapering point |
| ACU | make sharp or acute |