H.

Hairs, n. Fine, thread-like outgrowths from the skin of plants or animals.

Halberd-shaped, a. Shaped like a halberd, or old-time battle-ax. The bases of certain leaves are called halberd-shaped from their form.

Hawthorne, n. A small tree with thorny stems. The fruit consists of small bright red berries called “haws.”

Heart, n. The principal organ for the circulation of the blood in man and other animals.

Hercules, n. In Greek and Roman mythology, a mighty hero, the god of strength and courage. He performed many feats of strength, chief among which are those known as the twelve labors of Hercules.

Honeycomb cells, n. The wax cells made by bees for storing the honey.

Hyacinth, n. The name of an early spring flower; also of a precious stone.

Hydrogen, n. From two Greek words meaning “water producing.” It is a very light, invisible gas, and when chemically united to oxygen, two parts of hydrogen to one of oxygen, the result is water.