Which vegetable is known as King of gourd?

Could you please elaborate on the statement, "Which vegetable is known as King of gourd?" I'm intrigued to know which specific vegetable holds this prestigious title in the world of gourds. Gourds are a diverse group of plants, so it's fascinating to think that one of them has been singled out as the king. Could you share some insights into why this particular vegetable earned such a regal designation? It would be interesting to learn about its unique qualities, characteristics, or cultural significance that sets it apart from other gourds.