Longman Dictionary of Contemporary English
Wikipedia
A slotted spoon is an implement used in food preparation. The term can be used to describe any spoon with slots, holes or other openings in the bowl of the spoon which let liquid pass through while preserving the larger solids on top. It is similar in function to a sieve; however, a ladle-sized slotted spoon is most typically used to retrieve items from a cooking liquid while preserving the liquid in the pot, while table-sized slotted spoons are often used to serve foods prepared or packaged in juices, such as canned fruit and vegetables.
One peculiar example of a slotted spoon is used in the traditional absinthe ritual. In the beginning of absinthe preparation, a special absinthe spoon helps to flavor the cocktail. The spoon holds a sugar cube above a glass while the preparer pours cold water over the sugar.