pip
n//pɪp//kärna, öga, pip
(UK) A seed inside certain fleshy fruits, such as the stone (pit) of a stonefruit or the smaller seeds of an orange or apple.
(obsolete) A pippin, seed of any kind.
One of the spots or symbols on a playing card, domino, die, etc.
One of a series of very short, electronically produced tones, used, for example, to count down the final few seconds before a given time or to indicate that a caller using a payphone needs to make further payment to continue the call.