1. a person or thing that expectorates; a device or substance that promotes the expulsion of phlegm or mucus from the respiratory tract
Usage: medical/pharmaceutical context; often used in reference to cough medicines or syrups
2. a person who spits or ejects saliva from the mouth
Usage: less common usage

Examples

• The cough syrup acts as an expectorator, helping to thin mucus and clear congestion.
• Guaifenesin is a common expectorator found in many over-the-counter cold medicines.
• The doctor recommended an expectorator to help the patient breathe more easily.
• This expectorant medication is designed to make coughs more productive.
• The pharmacist suggested an expectorator rather than a suppressant for this type of cough.