Old Church Slavic
— Noun
– English
~ the Slavic language into which the Bible was translated in the 9th century
Old Church Slavonic
— Noun
– English
~ the Slavic language into which the Bible was translated in the 9th century
old sledge
— Noun
– English
~ a form of all fours in which a total of seven points is game
orthodox sleep
— Noun
– English
~ a recurring sleep state during which rapid eye movements do not occur and dreaming does not occur; accounts for about 75% of normal sleep time
oil slick
— Noun
– English
~ a thin film of oil floating on top of water (especially crude oil spilled from a ship)
oral smear
— Noun
– English
~ alimentary tract smear of material obtained from the mouth
onion smut
— Noun
– English
~ smut fungus causing blackish blisters on scales and leaves of onions; especially destructive to seedlings
orange sneezeweed
— Noun
– English
~ stout perennial herb of western United States having flower heads with drooping orange-yellow rays; causes spewing sickness in sheep
open society
— Noun
– English
~ a society that allows its members considerable freedom (as in a democracy); "America's open society has made it an easy target for terrorists"
orange soda
— Noun
– English
~ orange-flavored carbonated drink
order Solenichthyes
— Noun
– English
~ bellows fishes; shrimpfishes; cornetfishes; pipefishes; small order of chiefly tropical marine fishes of varied and bizarre form all having a small mouth at the end of a drawn-out tubular snout
oriental sore
— Noun
– English
~ leishmaniasis of the skin; characterized by ulcerative skin lesions
oxtail soup
— Noun
– English
~ a soup made from the skinned tail of an ox
Old South
— Noun
– English
~ the South of the United States before the American Civil War
outer space
— Noun
– English
~ any location outside the Earth's atmosphere; "the astronauts walked in outer space without a tether"; "the first major milestone in space exploration was in 1957, when the USSR's Sputnik 1 orbited the Earth"