Main Entry: aitch·bone

Pronunciation: \ˈāch-ˌbōn\

Function: noun

Etymology: Middle English hachbon, alteration (resulting from incorrect division of a nachebon) of Middle English *nachebon, from Middle English nache buttock (from Anglo-French, from Late Latin natica, from Latin natis) + bon bone

Date: 15th century

1 : the hipbone especially of cattle
2 : the cut of beef containing the aitchbone