1HBPa small seed from a fruit such as an apple or orange:
an apple pip
Have these oranges got pips in?
2a high note that is part of a series of short sounds, used for example on the radio to show the time, or on a public telephone line to show that your money has almost finished [= beep American English]
The pips are going so I'd better say goodbye.
3old-fashionedPMAone of the stars on the shoulders of the coats of army officers that shows their rank
Definition of pip from the Longman Dictionary of Contemporary English within the topic PLANTS