Having a curved line; consisting of or bounded by curved lines: as, a curvilinear figure.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. characterized by or following a curved line
Word Usage
"A more advanced form of EUS, called curvilinear EUS, allows doctors to operate within the lumen of the gut while at the same time detect, biopsy and treat lesions and tumors that lie outside the intestinal wall."