Meaning and Usage
The verb こす (濾す) means "to strain" or "to filter," typically used when removing solids from liquids by passing the liquid through a sieve, cloth, or filter. It is common in cooking contexts, such as straining soup or coffee.
Common Collocations
- 水をこす: to strain water, often to remove impurities.
- スープをこす: to strain soup, removing solid ingredients for a smooth texture.
- コーヒーをこす: to filter coffee, usually with a cloth or paper filter.
Register and Nuance
This verb is neutral and commonly used in everyday and formal cooking contexts. It is a practical term without strong formality or casualness.
Learner Tips
Do not confuse こす with こす (擦る), which means "to rub." The context of liquids and filtering helps distinguish the meanings. When you see みずをこす, it clearly refers to filtering or straining water.