=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.