In dictionaries:
single scull
(nautical) A light, narrow rowing boat, especially one used in competitive rowing, in which a single rower has two oars
double scull
(nautical) A light, narrow rowing boat, especially one used in competitive rowing, in which two rowers each have two oars
quadruple scull
(nautical) A light, narrow rowing boat, especially one used in competitive rowing, in which a four rowers each have two oars
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