'pinpoint' definitions:

Definition of 'pinpoint'

(from WordNet)
noun
A very brief moment; "they were strangers sharing a pinpoint of time together"
noun
A very small spot; "the plane was just a speck in the sky" [syn: speck, pinpoint]
noun
The sharp point of a pin
verb
Locate exactly; "can you pinpoint the position of the enemy?"; "The chemists could not nail the identity of the chromosome" [syn: pinpoint, nail]

Synonyms of 'pinpoint'

From: Moby Thesaurus

Words containing 'pinpoint'