spatulate

This term is primarily used in botanical and anatomical descriptions to specify a precise geometric shape. It describes a structure that is narrow at the base and widens toward a rounded tip, mirroring the form of a kitchen spatula. Because of its technical nature, it is rarely encountered in casual conversation and is instead reserved for scientific journals, field guides, and medical reports.

In a descriptive context, it is more specific than "oval" or "oblong," as it explicitly requires the asymmetry of a tapered base. It is often used to describe leaves, petals, or certain biological appendages where the widening toward the apex is a defining characteristic of the species.