(Geom.) A curve of the third order, consisting of two infinite branches, which have a common asymptote. The curve has a double point, and a leaf-shaped loop; whence the name. Its equation is x^(3) + y^(3) = axy.
... surculo desudata fluunt, raraque cinnama spirant et folium, fonte quod abdito praelambens fluvius portat in ... — The Hymns of Prudentius • Aurelius Clemens Prudentius
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