What is the meaning of Glome?

One of the two prominences at the posterior extremity of the frog of a horse's foot.

A globular head of flowers.

A hypersphere in 4-dimensional Euclidean space defined as the set of all points that are at a given distance from a given point, also called a 3-sphere.

To look gloomy, morose, or sullen.

gloom

Source: wiktionary.org