Proper noun
Heiman (plural Heimans)
A surname.
Wallace's brigade, which was attached to Brig. Gen. Charles F. Smith 's division, was ordered to occupy Fort Heiman, an uncompleted Confederate fort across the river from Fort Henry. Source: Internet
McPherson, p. 396. A Confederate battery and the beginning of some fortifications were sited across the river at Fort Heiman but these were of little value when the Union flotilla appeared. Source: Internet