1) Bend inwards 2) Cause to curve inward 3) Curved 4) Curving 5) Incurved 6) To bend 7) To bend or curve inwards 8) To give a curved shape to 1) Curved 2) Curving 3) Incurved 
• (v. t.) To turn from a straight line or course; to bend; to crook. • (a.) Curved; bent; crooked.
A term to describe the outline or shape that is indented or convex. A form of Basal edge or Stem Base outline.
In·cur'vate adjective [ Latin incurvatus , past participle of incurvare to crook; prefix in- in + curvus bent. See Curve , and confer Incurve .] Curved; bent; crooked. Derham. 
[adj] - bent into or having an inward curve 2. [v] - bend inwards 3. [v] - cause to curve inward
incurved adjective bent into or having an inward curve