/ˈɔɪ.stɚ/ a big flat sea creature that life in a very shell, some types of which can be eaten both cooked or uncooked, together with other types of which deliver pearls (= small spherical white precious stones) 1a provide of bullets, and many others. to generally be fired from guns https://ammunition-russia75151.fireblogz.com/62358110/everything-about-ammunition-forum