present participle of incurve

curving inwards

The act of acquiring or being given a curved form; an instance of curving or bending. / The state of being curved or bent; any curved shape or formation; curvature; a curve; a bend.

That can be incurred.

curvature; curving

present participle of incurtain

Third-person singular simple present indicative form of incurtain

(obsolete, transitive) To curtain.

simple past tense and past participle of incurtain

(zoology) Any moth in the family Incurvariidae.