As a verb:
* The dragon hoarded gold and jewels in its cave. (This means the dragon collected and kept these treasures for itself.)
* She hoarded old magazines, unable to throw any away. (This means she kept a large collection of magazines.)
* The squirrel hoards nuts for the winter. (This means the squirrel collects and hides nuts to eat later.)
As a noun:
* The museum's collection was a hoard of ancient artifacts. (This means the museum had a large collection of ancient objects.)
* The thief was caught with a hoard of stolen jewelry. (This means the thief had a large amount of stolen jewelry.)
* The dragon's hoard was said to be worth a king's ransom. (This means the dragon's collection of treasure was very valuable.)
Let me know if you'd like to see more examples, or if you have a specific context in mind!