1. A small rounded projection or notch along an edge or margin, especially one of a series forming a scalloped or wavy pattern.
Usage: Also called crenation.; Common in biology and botany to describe leaf edges and cell membranes.
2. In architecture, one of the open parts of a battlement; a crenel.
Usage: Architectural term; less common in everyday usage.

Examples

• The leaf's crenature gave it a distinctive scalloped appearance.
• Under the microscope, the cell membrane showed a fine crenature pattern.
• The castle's crenatures allowed archers to fire while remaining protected.
• Botanists use crenature as a key feature to identify plant species.
• The coin's edge displayed a regular crenature design.
• The crenature of the coastline created numerous small inlets.