'Curvilineal' definitions:

Definition of 'curvilineal'

(from WordNet)
adjective
Characterized by or following a curved line; "curvilinear tracery"; "curvilinear motion" [syn: curvilineal, curvilinear]

Definition of 'Curvilineal'

From: GCIDE
  • 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. [1913 Webster]