- Strainer Strain"er, n.
1. One who strains.
2. 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. [1913 Webster]
The Collaborative International Dictionary of English. 2000.