tropidosternal

tropidosternal, a. Ornith.

(ˌtrɒpɪdəʊˈstɜːnəl)

[f. mod.L. Tropidosternī pl. (f. Gr. τρόπις, -ιδ- keel + στέρνον, L. sternum breast-bone) + -al¹.]

Belonging to the division Tropidosterni (= Carinatæ) of birds; having a keeled breast-bone.

In recent Dicts.