|  | 
Definition of Post-nasal drip
1. Noun. The accumulation in the throat or back of the nose of excessive mucus produced by the sinuses. ¹
¹ Source: wiktionary.com
|  | 
1. Noun. The accumulation in the throat or back of the nose of excessive mucus produced by the sinuses. ¹
¹ Source: wiktionary.com