BDC style reticles can look very different from one scope to the next. The reticle on the left is from a Bushnell 1-4x24mm AR optic and the reticle on the right is a Bushnell proprietary âDOA 600â reticle from one of their 3-9x optics.
Freebase(0.00 / 0 votes)Rate this definition: Thirst is the craving for fluids, resulting in the basic instinct of animals to drink. It is an essential mechanism involved in fluid balance. It arises from a lack of fluids or an increase in the concentration of certain osmolites, such as salt.
[with object] 1  1Satisfy (one's thirst) by drinking. âIt leaves your mouth so coated that nothing quenches your thirst, and your fingers so oily that you dare touch nothing of value for hours.â. 2  2Extinguish (a fire) âfiremen hauled on hoses in a desperate bid to quench the flamesâ.