/ˈɔɪ.stɚ/ a large flat sea creature that lives within a shell, some types of that may be eaten both cooked or uncooked, together with other types of which deliver pearls (= small round white cherished stones) /ˈɔɪ.stɚ/ a big flat sea creature that lives inside of a shell, some types https://ammunitiondepot32974.shotblogs.com/what-does-ammunition-eft-mean-45058237