an ancient defensive armor worn both in war and tournaments. It covered both the head and face, only leaving an aperture in the front, secured by bars, which was called the visor. The Carians first invented the boss of shields and the crest of helmets. In remembrance of this, a small shield and a crest were always buried with them.
| HELMET-CAP, | - | |
| HELMET-HAT, |
a cap, or hat, the crown of which is shaped like the dragoon helmet.
| HELVE, or | - | |
| HAFT, |
the wooden handle of a hatchet, hammer, or pick-axe.
To HEM in, to surround.
HEMERODROMES, Fr. a French term taken from the Greek, signifying sentries or guards, which were employed among the ancients to protect and watch over fortified towns and places. As soon as the gates were opened they went out, and continued to patrole round the skirts of the town during the whole of the day. Frequently, indeed they advanced considerably into the country, in order to discover whether any hostile body of men was approaching in order to surprize the garrison.
HENDECAGON, a figure that has 11 sides and as many angles, each capable of a regular bastion.
HINDOO, or HINDU, the name by which the natives of Hindustan distinguish themselves from the inhabitants of other countries.
HEPTAGON, a figure consisting of seven sides and as many angles. If the sides be all equal, it is called a regular heptagon.