verb. Present participle of curve.

noun. The action of the verb to curve.

adjective. That curves or curve.

adjective. having or marked by a curve or smoothly rounded bend

"Conchas are usually scored both lengthwise and crosswise, but may also be scored in curving parallel lines to resemble scallop shells, or in concentric circles."

arced  arched  arching  arciform  arcuate  

Irving  conserving  deserving  observing  preserving  

curve