~ 1
■ noun
1》 a flat buoyant structure of timber or other materials fastened together, used as a boat or floating platform.
↘a small inflatable boat.
2》 a floating mass of fallen trees, ice, etc.
3》 a foundation of reinforced concrete for a building.
■ verb
1》 travel or transport on or as if on a ~.
2》 make into a ~.
Derivatives
~ing noun
Origin
ME: from ON raptr '~er'.
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~ 2
■ noun a large amount of something.
Origin
C19: alt. of dialect raff 'abundance' (perh. of Scand. origin), by assoc. with ~ 1 in sense 2.