medifurca
/mɛdɪˈfəːkə/Entomology. Now rare
noun
In an insect: the middle of three forked apodemes which serve for the attachment of muscles in the thorax; the mesosternal furca.
Origin
Early 19th century; earliest use found in William Kirby (1759–1850), entomologist and naturalist. From scientific Latin medifurca from classical Latin medi- + furca.