Definitions:
a small hard seed in a fruit.

the stone of soft fruits such as peaches and plums.

a star (one to three according to rank) on the shoulder of an army officer's uniform.

any of the spots on a playing card, dice, or domino.

an image of an object on a radar screen.

a short high-pitched sound used especially to indicate the time on the radio or to instruct a caller using a public phone to insert more money.

a disease of poultry or other birds causing thick mucus in the throat and white scale on the tongue.

(of a young bird) crack (the shell of the egg) when hatching

defeat by a small margin or at the last moment