aiming circle


Also found in: Acronyms.

aiming circle

[′ām·iŋ ‚sər·kəl]
(engineering)
An instrument for measuring angles in azimuth and elevation in connection with artillery firing and general topographic work; equipped with fine and coarse azimuth micrometers and a magnetic needle.
References in periodicals archive ?
The reticle that came in the model I tested is Nikon's BDC model, which consists of crosshairs with four aiming circles descending from the crosshair intersection.
The aiming circle is no longer needed, and the onboard computer in the new digital system displays precise correction calculations on a lightweight display.
The 1100 kg OWS25 includes a day/night sight assembly, comprising a periscope sight with a x1 day window with collimated aiming circle, an x8 day channel with ballistic reticule, a x1 night window with collimated aiming circle and a x7.
ORDER A REPLACEMENT M2A2 AIMING CIRCLE WITH NSN 6675-01-067-0687.
For this contract, DRS will fabricate and deliver complete M2A2 Aiming Circles and M2A2 Aiming Circle Head Assemblies.
Amazingly, a select few archers, in apparent defiance of logic, are able to consistently shoot groups smaller than their aiming circle.
The lower quadrant of the vertical crosshair of its BDC-250 reticle has four stacked aiming circles.