|1.||having one side convex and the other side concave|
|2.||Compare concavo-convex (of a lens) having a convex face with greater curvature than the concave face|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|the offspring of a zebra and a donkey.|
convexo-concave con·vex·o-con·cave (kən-věk'sō-kən-kāv')
Being convex on one side and concave on the other.
Having greater curvature on the convex side than on the concave side. Used of a lens.