As a Noun: 1. A condition in which your nose runs a lot, because of illness or allergy, and you are forced to use tissues or handkerchiefs to blow it a lot. 2. A mild, common illness which makes you sneeze and blow your nose a lot and gives you a sore throat or a cough. English = cold. 3. An illness which is like a bad cold. Not only do you sneeze a lot, have a runny nose, have a sore throat and a cough, but you are also weak and your muscles ache. English = flu, influenza. 4. As a Verb or Adjective: 1. To blow your nose. 2. To have a cold. 3. To have the flu.