Webster's 1828 Dictionary
RELAPSING
ppr. Sliding or falling back, as into disease or vice.
Webster's 1913 Dictionary
RELAPSING
RELAPSING Re *laps "ing, a.
Defn: Marked by a relapse; falling back; tending to return to a former worse state. Relapsing fever (Med. ), an acute, epidemic, contagious fever, which prevails also endemically in Ireland, Russia, and some other regions. It is marked by one or two remissions of the fever, by articular and muscular pains, and by the presence, during the paroxism of spiral bacterium (Spirochæte ) in the blood. It is not usually fatal. Called also famine fever, and recurring fever.
New American Oxford Dictionary
relapsing fever
re laps ing fe ver ▶noun an infectious bacterial disease marked by recurrent fever. [The disease is caused by spirochetes of the genus Borrelia. ]
Oxford Dictionary
relapsing fever
re |laps ¦ing fever ▶noun [ mass noun ] an infectious bacterial disease marked by recurrent fever. ●The disease is caused by spirochaetes of the genus Borrelia.
The Wordsmith Dictionary