漉す こす Also written 濾す Meanings Godan verb, Transitive to filter; to strain Kanji 漉 manufacture paper; spread out thin; strain. Read as こす. Words containing 漉す 漉し紙 (こしがみ) filter paper 漉し袋 (こしぶくろ) sack used to filter liquids (e.g. drinking water, etc.) Jinuma: Japanese Dictionary · Word lists