Main Entry: os·te·o·clast

Pronunciation: \ˈäs-tē-ə-ˌklast\

Function: noun

Etymology: International Scientific Vocabulary oste- + Greek klastos broken — more at clast

Date: 1872

: any of the large multinucleate cells closely associated with areas of bone resorption

— os·te·o·clas·tic \ˌäs-tē-ə-ˈklas-tik\ adjective