Which term describes a shape resembling an egg?

The term that best describes a shape resembling an egg is "ovate." Ovate specifically refers to a shape that is broader at one end and tapering towards the other, much like an egg. This term is frequently used in botanical contexts to describe the shapes of leaves or other structures that exhibit this characteristic.

In contrast, "oval" refers to an elongated circular form, which is similar but not precisely the same as ovate, as it may not necessarily have the same tapering feature. "Oblong" describes a shape that is longer than it is wide, but it does not convey the broader shape characteristic of an egg. "Oblate" indicates a shape that is flattened at the poles, such as a sphere that has been squished or distorted, which is not related to the egg-like shape that ovate describes. Thus, ovate is the most accurate term for a shape resembling an egg.