osteoclast

os·teo·clast

noun \ˈäs-tē-ə-ˌklast\

Definition of OSTEOCLAST

1

: any of the large multinucleate cells closely associated with areas of bone resorption (as in a fracture that is healing)—compare chondroclast

2

: an instrument for performing osteoclasis

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