The Collaborative International Dictionary of English v.0.48:

Incurve \In*curve"\ ([i^]n*k[^u]v"), v. t. [imp. & p. p.
   Incurved ([i^]n*k[^u]vd"); p. pr. & vb. n. Incurving.]
   [See Incurvate.]
   To bend; to curve; to make crooked.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Incurved \In*curved"\ ([i^]n*k[^u]vd"), a. [Pref. in- in +
   curved.] (Bot.)
   Bending gradually toward the axis or center, as branches or
   petals.
   [1913 Webster]

WordNet (r) 3.0 (2006):

incurved
    adj 1: bent into or having an inward curve [syn: incurvate,
           incurved]

Moby Thesaurus II by Grady Ward, 1.0:

64 Moby Thesaurus words for "incurved":
   bent, billowing, billowy, boat-shaped, boatlike, bowl-shaped,
   bowllike, cavelike, cavernous, concave, concaved, craterlike,
   cup-shaped, cupped, curvaceous, curvate, curvated, curve, curved,
   curvesome, curviform, curvilineal, curvilinear, curving, curvy,
   cymbiform, dish-shaped, dished, dishing, dishlike, funnel-breasted,
   funnel-chested, funnel-shaped, geosynclinal, hollow, hollowed,
   incurvate, incurvated, incurving, incurvous, infundibular,
   infundibuliform, labyrinthine, mazy, meandering, navicular,
   naviform, recurvate, recurvated, recurved, recurving, retiring,
   retreating, saucer-shaped, scaphoid, scyphate, serpentine, sinuous,
   spoonlike, sunk, sunken, tortuous, undulant, wavy