The Collaborative International Dictionary
Latisternal
Latisternal \Lat`i*ster"nal\, a. [L. latus broad + E. sternal.] (Zo["o]l.) Having a broad breastbone, or sternum; -- said of anthropoid apes.
Wiktionary
latisternal
a. (context zoology English) Having a broad breastbone, or sternum; said of anthropoid apes.