At 14 km long and up to 440 meter (1443 feet) high, LÃ¡trabjarg is one of the three largest bird cliffs in Iceland, with the other two being Hornbjarg and HÃ¦lavÃ­kurbjarg. LÃ¡trabjarg is by far the easiest of the three to visit as a road leads practically to the cliffâs edge.
Rating Newest Oldest. Best Answer: H/o most of the time means history of. Hx/o would also mean the same thing, just like Hx. HO (with no slash) means Heterotopic ossification. Which is the abnormal development of bone in usually in soft tissue. Source(s):
HO, often written H/O, means history of.. For instance, it might say in a patient chart, h/o herniorrhaphy 1972, pneumonia 1984, malaria 1992..