WordWeb Online

1. Locate exactly
   "can you pinpoint the position of the enemy?";
   - nail

1. A very brief moment
   "they were strangers sharing a pinpoint of time together"
    
2. A very small spot
   "the plane was just a pinpoint in the sky";
   - speck
    
3. The sharp point of a pin

Derived forms: pinpoints, pinpointed, pinpointing

Type of: dapple, fleck, instant, locate, maculation, minute, moment, patch, point, second, speckle, spot, turn up