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[Latin cor, cord-, heart; see kerd- in Indo-European roots + -form.]


(Biology) heart-shaped
[C19: from Latin cor heart]


(ˈkɔr dəˌfɔrm)

[1820–30; < Latin cord-, s. of cor heart + -i- + -form]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.cordiform - (of a leaf) shaped like a heart
unsubdivided, simple - (botany) of leaf shapes; of leaves having no divisions or subdivisions
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References in periodicals archive ?
v] "In the Codice Atlantico we find sketches of a globe being unfolded that is not far from Waldseemuller's pseudo-Ptolemaic, cordiform projection (1507).
assimetric; sepals green, deltoid to ovate or ovate to oblong, abaxial surface glabrous, 5-11 X 3-6 mm; petals yellow with ribs orange, two external, obovate to orbicular, 11-19 X 9-12 mm, two internal, obelliptic, 15-18 X 8-11 mm, cuculus cordiform to orbicular, 14-19 X 14.
He produced a world map on a double cordiform projection in 1531 (15) which is clearly derived from Johannes Schoner's globe of 1523.
The cordiform morphology of the shell of NHMUK R8699 is shared with Thalassemys hugii, and differs from that of the other taxa.
Tongue cordiform, broadly ovate, slightly emarginate posteriorly.
Known as cordiform (heart-shaped leaves), examples can be seen in ivies, hostas, lime trees, birch and even many individual flower petals, from roses to buttercups.
These same upper ferns also release narrow stalks; decorated with cordiform leaves, these stalks reach further up the relief towards yet other monsters.
Stigma ventral, ovate-triangular to cordiform, flat, covered by a viscous secretion, its lower margin somewhat bilobed and prominent, 2.