Definition of pip

• n. - A contagious disease of fowls, characterized by hoarseness, discharge from the nostrils and eyes, and an accumulation of mucus in the mouth, forming a "scale" on the tongue. By some the term pip is restricted to this last symptom, the disease being called roup by them.
• n. - A seed, as of an apple or orange.
• n. - One of the conventional figures or "spots" on playing cards, dominoes, etc.
• v. i. - To cry or chirp, as a chicken; to peep.