WordNet (r) 3.0 (2006):
VHF n 1: a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage [syn: hemorrhagic fever, haemorrhagic fever, viral hemorrhagic fever, viral haemorrhagic fever, VHF] 2: 30 to 300 megahertz [syn: very high frequency, VHF]