Noun
That through which any liquid is passed for purification or to separate it from solid matter; anything, as a screen or a cloth, used to strain a liquid; a device of the character of a sieve or of a filter; specifically, an openwork or perforated screen, as for the end of the suction pipe of a pump, to prevent large solid bodies from entering with a liquid.
Source: Webster's dictionaryThe Devil is like a strainer that separates the mud from the gold. Carlos Santana
Look at the strainer that tells the skimmer: You have three holes. Persian Proverb
A clearer broth is achieved by skimming the drops of fat off the top of the soup as it is cooking, first bringing the chicken to boil from a pot of cold water and discarding the water before continuing, or straining it through a strainer or cheesecloth. Source: Internet
And she was right, this strainer has a very fine, double lining, which allows the liquid whey to flow from the yogurt leaving a thick silky white yogurt cream behind - perfect for spreading, rolling, and blending. Source: Internet
And, when your straining why not just let everything fall into the strainer. Source: Internet
If the strainer is disengaged, the sound of the drum resembles a tom because the snares are inactive. Source: Internet