The Collaborative International Dictionary
Cordiform \Cor"di*form\ (k[^o]r"d[i^]*f[^o]rm), a. [L. cor,
cordis, heart + -form, cf. F. cordiforme.]
a. Shaped like a heart; cordate
Usage examples of "cordiform".
Others are dauntingly referred to as Azimuthal, Stereographic, Gnomonic, Azimuthal Equidistant, Cordiform, and so on, but it is unnecessary to go into this any further here.
He concluded that some of the sources upon which it was based must have been drawn up by means of a projection similar to the modern Cordiform Projection.