The Collaborative International Dictionary
Curvilineal
Curvilineal \Cur`vi*lin"e*al\ (-al), Curvilinear \Cur`vi*lin"e*ar\ (-?r), a. [L. curvus bent + E. lineal, linear.] Consisting of, or bounded by, curved lines; as, a curvilinear figure.
Wiktionary
curvilineal
a. (qualifier: Of a line) Having bends; curved; curvilinear.
WordNet
curvilineal
adj. characterized by or following a curved line; "curvilinear tracery"; "curvilinear motion" [syn: curvilinear]