1. mustard plasters or poultices applied to the skin as a medical treatment
Usage: medical; archaic

Examples

• The doctor prescribed sinapisms to treat the patient’s chest congestion.
• In the 19th century, sinapisms were commonly used to relieve pain and inflammation.
• The nurse applied sinapisms to the patient’s back to provide warmth and stimulation.
• Traditional medicine often relied on sinapisms made from ground mustard seeds.
• The effectiveness of sinapisms as a treatment method has been largely superseded by modern medicine.