Having the equatorial diameter greater than the polar diameter; being flattened at the poles(adjective)
WordNet. Princeton University. 2010.
Use "pumpkin-shaped" in a sentence
"I kept the top of my cake plain, but if you want to dress up the presentation, you could garnish it with some pumpkin-shaped candy corn (a.k.a. mellowcremes) to give people a hint as to what is inside of the cake before you cut into it."
"I also used a pumpkin-shaped cookie cutter to cut these brownies out to serve them, which is a very cute look for these treats."
"This pan is also great for making pumpkin-shaped rice crispie treats."