What is triangular head?

As an AI language model, I cannot ascertain what is exactly meant by triangular head. However, here are some possible interpretations:

1. Triangular head in anatomy: A triangular head is a term used in anatomy to describe the shape of certain body parts such as the deltoid muscle, which is located at the shoulder. It is named so because of its triangular shape.

2. Triangular head in insects: Insects such as bees, ants, and wasps have a triangular head that is composed of three distinct regions: the clypeus, the frons, and the vertex.

3. Triangular head in construction: In construction, a triangular head typically refers to a type of truss, which is a triangular-shaped structure used to support roofs, bridges, and other structures.

4. Triangular head in art: In art, triangular head can refer to a style of drawing or painting where the subject's head is drawn with a triangular shape, sometimes elongated or pointy.

Ultimately, without additional context or clarification, it is difficult to provide a specific or accurate answer about the concept of triangular head.