oyster
oy‧ster /ˈɔɪstə $ -ər/
noun [countable]
1. a type of shellfish that can be eaten cooked or uncooked, and that produces a jewel called a pearl
2. the world is your oyster used to tell someone that they can achieve whatever they want
oy‧ster /ˈɔɪstə $ -ər/
noun [countable] Date: 1300-1400
Language: Old French
Origin: oistre, from Latin, from Greek ostreon
Language: Old French
Origin: oistre, from Latin, from Greek ostreon

1. a type of shellfish that can be eaten cooked or uncooked, and that produces a jewel called a pearl
2. the world is your oyster used to tell someone that they can achieve whatever they want